was obvious the manager was waiting for LiFang to leave.A. It thatB. This thatC. That

问题补充：

was obvious the manager was waiting for LiFang to leave.

A. It, that

B. This, that

C. That, what

D. What, that

答案：

(答案→)A. It, that

B. This, that

C. That, what

D. What, that

解析：句意：显然，经理在等李芳离开。这句话中It是形式主语，真正的主语是由that引导的从句。It be+形容词+that…这里it是形式主语，that后是真正的主语从句， 故选A。