gemj的SC大全

首先向gemj表示真诚的感谢，整理了这么齐全的资料。今天做了987到全真题的前50题，对有些题目答案疑问。比如2题

1.        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（A）

(E) reduces the amount of phosphates allowed for dumping by municipalities

记忆中，OG中给出的正确答案应该是D, 但是这里却是A?

选D