It is usually thought a little child says is truth.A. what that B. that whatC. which D.

问题补充：

It is usually thought a little child says is truth.

A. what that

B. that what

C. which

D. that

答案：

A. what that

(答案→)B. that what

C. which

D. that

解析：B 考察主语从句。第一个词使用that引导主语从句，第二个词使用what引导主语从句中的主语从句，同时what作为says的宾语。