Sentence Correction
试题详情
题目：
Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of 1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.
选项:
A、Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of 1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.
B、Although not announced until February, 1968, in the summer of 1967 graduate student Jocelyn Bell observed the first pulsar, or rapidly spinning collapsed star, to be sighted.
C、Although observed by graduate student Jocelyn Bell in the summer of 1967, the discovery of the first sighted pulsar, or rapidly spinning collapsed star, had not been announced before February, 1968.
D、The first pulsar, or rapidly spinning collapsed star, to be sighted was observed in the summer of 1967 by graduate student Jocelyn Bell, but the discovery was not announced until February, 1968.
E、The first sighted pulsar, or rapidly spinning collapsed star, was not announced until February, 1968, while it was observed in the summer of 1967 by graduate student Jocelyn Bell.
答案:
D
提问：
请金老师帮忙回答，
可以看出考点是让步，修饰，主谓，指代
选的时候，认为A的it 指代可以是star,可以是发现这个事情，所以先保留了，看到D 的to be sighted was observed 感觉wordy所以排除了D ,这个表达没有问题吗？
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提问：
句意大概是第一个被观测到pulsar，1968才被宣布但是1967就被观测到了。d里面的 to be sighted感觉特别awkward… e感觉更好嘛也没有什么错误 老师麻烦讲一下
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