大全语法题请教

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

一般规定的内容也用现在时态，

99. Although the manager agreed to a more flexible work schedule, he said that it must be posted on the bulletin board so that both management and labor will know what everyone is assigned to do.

(A) he said that it must be posted on the bulletin board so that both management and labor will know what everyone is
(B) he said it had to be posted on the bulletin board so that both management and labor knows what everyone is
(C) he said that they would have to post the assignments on the bulletin board so that management and labor knew what everyone was
(D) he said that the schedule would have to be posted on the bulletin board so that both management and labor would know what everyone was
(E) saying that the schedule had to be posted on the bulletin board so that both management and labor would know what everyone had been

这道题就选A  和你这个题有点相似

Different opinion I think A stands

reduced the amount of phosphates that municipalities are allowed to dump

reduced means something happened past.How could we finish something right now at the time before it happens