求教 一个句子中不同时态 Although the manager agreed

steve_chem

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

A中的 will know 为什么可以和前面的过去时连用呢？谢谢

lonelyorchid

a吗？
have to后面可以加被动呀。。。
The decoration has to be finished by this week, or the postponement might lead to a penalty.

steve_chem

谢谢2楼
还想问一下   A中的 will know 为什么可以和前面的过去时连用呢？谢谢