GWD-8-Q24

228277228

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.

A.    the largest share for any country to contribute
B.    the largest share that any country has contributed
C.    which makes it the largest share for any country to contribute
D.    having the largest share to be contributed by any country
E.    having the largest share to have been contributed by any country
ans B,但总觉得时态应该是过去式的才对啊
大家帮忙看看

junjun_Q

since 所以用完成时

Spartas

还是有些疑问
现在完成时 has contributed 跟主句中 march 2000 showed 的过去时间点不冲突么？

xiaoxiongmomo

还是有些疑问
现在完成时 has contributed 跟主句中 march 2000 showed 的过去时间点不冲突么？

-- by 会员 Spartas (2010/4/3 13:20:13)

同问啊！！！

巴赫

since 用完成时，以Mexico2000年的share拿到现在比较仍有效，所以用has contributed

xiaoxiongmomo

现在看终于明白了，多谢。