2. 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
我的问题是：
A 中 the amount of phosphates 是从句的宾语，从句原来顺序应是：
municipalities had been allowed the amount of phosphates to dump..
对吗？
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