Sentence Correction

试题详情

题目:

A March 2000 Census Bureau survey showed that Mexico accounted for more than a quarter of all foreign-born residents of the United States, the largest share for any country to contribute since 1890, when about 30 percent of the country's foreign-born population was from Germany.

选项:

A、
A. the largest share for any country to contribute
B、
B. the largest share that any country has contributed
C、
C. which makes it the largest share for any country to contribute
D、
D. having the largest share to be contributed by any country
E、
E. having the largest share to have been contributed by any country

答案:

B

提问:

B选项的has为什么没有时态错误?前面是showed难道不是过去式嘛?
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提问:

为什么不选E呢?
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