有一题不明白：
Although the manager agreed to a more flexible work schedule,( he said that it must be posted on the bulletin board so that both mangement 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 mangement and labor will know what everyone is
D.he said that the schedule would have to be posted on the bulletin board so that both mangement and labor would know what everyone was
但是，主句和从句的时态不是应该一致的吗？
另有一题：
ETS原题：
(As sales of cars and light trucks made in North America were declining 13.6 percent in late February, many analysts conclude )that evidence of a recovering automotive market remains slight.
A.As sales of cars and light trucks made in North America were declining 13.6 percent in late February, many analysts conclude
B.Since sales of cars and light trucks made in North America declined 13.6 percent in late February,and many analysts conclude
C.With sales of cars and light trucks made in North America declining 13.6 percent in late February, with many analysts concluding
D.Because sales of cars and light trucks made in North America declined 13.6 percent in late February, many analysts concluded
E.Because of sales of cars and light trucks made in North America declining 13.6 percent in late February, therefore many analysts concluded
Answer is D.为何OG中强调的主从句时态一致的原则在这没用了呢？
