I firmly believe he said at the meeting was right.A. thatB. whichC. that whatD. what that

问题补充：

I firmly believe he said at the meeting was right.

A. that

B. which

C. that what

D. what that

答案：

A. that

B. which

(答案→)C. that what

D. what that

解析：that 连接宾语从句作believe 的宾语，what连接he said从句作said的宾语what he said at the meeting是一个主语从句。句意：我坚信他在会上所说的话是正确的。