19. A 1972 agreement between
(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
为什么不选D啊?the amount of phosphates that municipalities are(had been) allowed to dump这不是政府法令的一部分吗,按XDF老师上课所讲,政府法令要用现在时的啊。
这个我知道,但XDF老师的意思是:只要是政府法令,哪怕是1279年的,也要用现在时,这条规律是用现在时的三条规律之一,还有两条是:客观事实(比如地球绕太阳转);科研成果或统计资料。
这种规律正确吗?谢谢
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