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 (E) reduces the amount of phosphates allowed for dumping by municipalities
大全的答案是A,我错选了D.
大全的答案是A,我错选了D. 我觉得选D是因为被允许到垃圾这个动作一致持续到现在,应该用一般现在时, 如果按照答案A,被允许到垃圾这个动作发生在 1972年之前, 感觉意思不对.
我觉得选D是因为被允许到垃圾这个动作一致持续到现在,应该用一般现在时, 如果按照答案A,被允许到垃圾这个动作发生在 1972年之前, 感觉意思不对. 请教大家对这题的看法
请教大家对这题的看法 | 
