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 各位NN: 为什么答案是A而不是D? A中的what everyone is 的时态好像不对。