语法一题！

brendaqian

谢谢大家帮忙看看这题选啥
A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.

A reduced the amount of phosphates that municipalities had been allowed to dump
B reduced the phosphate amount that municipalities had been dumping
C reduces the phosphate amount municipalities have been allowed to dump
D reduced the amount of phosphates that municipalities are allowed to dump
E reduces the amount of phosphates allowed for dumping by municipalities

语法大全的答案是A, OG12的答案是D
顺便大家讨论一下,有的一样的题,不同资料版本不同,现在都不知道相信哪一个了,考过的XDJM们, 你们推荐一下好的语法复习资料吧, 谢谢了!

毛毛carina

OG12是官方指南，prep破解也是真题，答案都是GMAC的标答

所以相信OG和prep的答案

毛毛carina

语法资料推荐：og12 +prep破解笔记两本

brendaqian

谢谢，谢谢！