请问may老师这道题的思路

The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing (the Aramaic script with it, from which was derived both northern and ) southern Indian alphabets. A. the Aramaic script with it, from which was derived both northern and B. the Aramaic script with it, and from which deriving both the northern and the C. with it the Aramaic script, from which derive both the northern and the D. with it the Aramaic script, from which derives both northern and E. with it the Aramaic script, and deriving from it both the northern and 答案是C，错选了D。bringing the script with it 和 bringing with it the script 的区别不太清楚，只是感觉读起来没有后者顺，就把AB排除了。E的and并列在句中没有体现，排除。CD的derive应该指的是script，按理说应该是单数啊，为什么会选C？麻烦老师讲解。

我找的错误里有遗漏或多余的吗？谢谢 The following appeared as part of an article in a magazine devoted to regional life: "Corporations should look to the city of Helios when seeing new business opportunities or a new location. Even in the recent recession, Helios's unemployment rate was lower than the regional average. It is the industrial center of the region, and historically it has provided more than its share of the region's manufacturing jobs. In addition, Helios is attempting to expand its economic base by attracting companies that focus on research and development of innovative technologies." Discuss how well reasoned ... etc. 下面是我找的错误： 1.失业率降低和新商机没有因果关系 2.工业发达不适合吸引高科技 3.即便吸引高科技，也不能证明扩张经济

( Where once the union had acquiesced to the prejudices of its English-speaking members by supporting ) the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist Italians and Slavs in its ranks. (A) Where once the union had acquiesced to the prejudices of its English-speaking members by supporting (B) Where once the union acquiesced to it English-speaking members’ prejudice for the support of (C) While once the union had acquiesced to the prejudices of its English-speaking members in support of (D) While once the union acquiesced to its English-speaking members’ prejudice in supporting (E) While once the union had acquiesced to the prejudices of its English-speaking members in its supporting of 答案是A，错选了D。where once该怎么理解，而且时态也很难把握，我是根据后半句的made把用了过去完成时的选项都排除了。麻烦老师讲解。

During Roosevelt's years in office, Black Americans began voting for Democrats rather than Republic in nation electons, but Black support for Democrats at the state and local levels ( developed only after when civil rights legislation was supported by Harry Turman ). A. developed only after when civil rights legislation was supported by Harry Turman B. developed only after when Harry Turman supported civil rights legislation C. developed only after Harry Turman's support of civil rights legislation by Harry Turman D. develops only at the time after the supporting of civil rights legislation by Harry Turman E. develops only after there being Harry Turman's support of civil rights legislation 答案是C，错选了B。感觉C说的好绕，B的错误是only after 和when连用吗？麻烦老师讲解。

( Severe and increasing numerous critics are pointing to deficiencies in the British legal system, deficiencies that seem ) to deny a proper defense to many clients who are charged with crimes. A. Severe and increasing numerous critics are pointing to deficiencies in the British legal system, deficiencies that seem B. Severe and increasing numerous critics point to deficiencies in the British legal system, deficiencies seeming C. Severe and increasingly numerous critics are pointing to deficiencies in the British legal system that seem D. Severe and increasingly numerous critics point to deficiencies in the British legal system seeming E. Severe and increasingly numerous critics are pointing to deficiencies in the British legal system that seem 答案是C，错选了B。感觉后面应该有that seem，但是发现这个形式的ACE都是现在进行时，不明白为什么要用现在进行时。that seem和seeming的区别是什么？increasing numerous critics和increasingly numerous critics表达的意思是不是不同？麻烦老师讲解。

In the last few years, the number of convicted criminals given community service ( sentences, which allow the criminals to remain unconfined while they perform specific jobs benefiting the public, have ) risen dramatically. Asentences, which allow the criminals to remain unconfined while they perform specific jobs benefiting the public, have Bsentences, performing specific jobs that benefit the public while being allowed to remain unconfined, have Csentences, performing specific jobs beneficial to the public while they are allowed to remain unconfined, have Dsentences which allow them to remain unconfined in their performing of specific jobs beneficial to the public has Esentences allowing them to remain unconfined while performing specific jobs that benefit the public has 答案是E，开始选的D，根据the number判断谓语是单数，只能用has，但是又感觉has是跟着which从句里的，导致整个句子没有谓语。一遍读下来很混乱，不知道想表达什么，也不知道该选什么了。麻烦老师讲解。

Even today, a century after Pasteur developed the first vaccine, rabies almost always kills （its victims unless inoculated） in the earliest stages of the disease. (A) its victims unless inoculated (B) its victims unless they are inoculated (C) its victims unless inoculation is done (D) the victims unless there is an inoculation (E) the victims unless inoculated 答案是B，错选了E。感觉逻辑好混乱，不知道B的its和they指代什么，麻烦老师讲解。

His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age ( in which great ice sheets had existed in now currently temperate areas. ) A in which great ice sheets had existed in now currently temperate areas B in which great ice sheets existed in what are now temperate areas C when great ice sheets existed where there were areas now temperate D when great ice sheets had existed in current temperate areas E when great ice sheets existed in areas now that are temperate 答案是D，错选了B。BD纠结，不知道该如何判断。第二遍做这道题还是把握不好句意，麻烦老师讲解。

The company is negotiating to sell its profitable credit card ( subsidiary, which it plans to use money from ) to acquire some of the mortgage-servicing operations that are being sold by troubled savings institutions. (A) subsidiary, which it plans to use money from (B) subsidiary, from which it plans to use money (C) subsidiary, and it plans the use of money from that (D) subsidiary and plans to use money from that sale (E) subsidiary and plans the use of money from that sale 答案是D，错选了B。上来就把CDE排除了，因为and前后时态不一致，而且C的it多余。AB比较，which和from which指代的感觉都不是很清晰，然后根据A结尾的from 和原文的to连接起来太别扭，就把A排除了，麻烦老师讲解。

( Based on the growth rates of large modern reptiles such as ) the Galapagos tortoise and examination of fossils of juvenile dinosaurs, scientists estimate that the larger dinosaurs probably lived to be between 100 and 200 years old. A. Based on the growth rates of large modern reptiles such as B. On the basis of growth rates of large modern reptiles such as C. Based on the growth rates of large modern reptiles like D. On the basis of growth rates of large modern reptiles, like those of E. Based on the growth rates as those of large modern reptiles like 答案是B，错选了A。科学家基于爬行动物的生长率，估计了恐龙的存活时间。科学家做based on的逻辑主语有错吗？麻烦老师讲解。 (Based on account of various ancient writers) , scholars have painted a sketchy picture of the activities of an all-female cult that, perhaps as early as the sixth century B.C, worshipped a godness known in Latin as Bona Dea "the good goddess". A. Based on account of various ancient writers B. Basing it on various ancient writer's accounts C. With accounts of various ancient writers used for a basis D. By the accounts of various ancient writers they used E. Using accounts of various ancient writers 答案是E，还是错选了A。做题时在AE纠结了好久，因为不确定学者作为“基于不同作家的解释”的主语是不是错的，而且感觉基于要比使用的表达更好，尽管可以确定using的主语是学者，但还是把E排除了，麻烦老师讲解。 因为不知道这两道题是犯了什么错误，所以去有道查了based on 的例句，发现人是可以做主语的：Based on the finding, one might predict that the bank should increase its display and budget. 以及 Based on that representation, the district judge denied a motion to dismiss the new comlaint. 麻烦老师讲解这几个题的区别。