A 1972 agreement between
States reduced the amount of phosphates that
municipalities had been allowed to dump into the
(A) reduced the amount of phosphates that munici-
palities had been allowed to dump
(B) reduced the phosphate amount that municipali-
ties had been dumping
(C) reduces the phosphate amount municipalities
have been allowed to dump
(D) reduced the amount of phosphates that munici-
palities are allowed to dump
(E) reduces the amount of phosphates allowed for
dumping by municipalities
答案:A
关于本题, 我想问的是: 如果使用一般现在时态是否会更好.(当然, 本题的CE都存在语法错误, 故不选)
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