After seemed an endless wait it was her turn to enter the general manager’s office. A. t

问题补充：

After seemed an endless wait, it was her turn to enter the general manager’s office.

A. that

B. how

C. what

D. why

答案：

A. that

B. how

(答案→)C. what

D. why

解析：

这里考查what引导的宾语从句，介词after后面接的是宾语从句，而宾语从句中缺少主语，用what引导宾语从句，并做从句的主语，句意是：在无尽的等待后，轮到她进入总经理的办公室了。