It is usually thoughta little child says is truth. A. What thatB. that whatC. whichD. that

问题补充：

It is usually thoughta 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：考查名词性从句，固定句型：It is thought that 据认为，that后从句的主语是一个主语从句，主语从句中a little child says后缺宾语，所以用what，故选B。