Thinkingyou know in fact you don’t is a terrible mistake.A. what;whatB. that;whatC. what;t

问题补充：

Thinkingyou know in fact you don’t is a terrible mistake.

A. what;what

B. that;what

C. what;that

D. that;that

答案：

A. what;what

(答案→)B. that;what

C. what;that

D. that;that

解析：

这题考查的是名词性从句，that引导宾语从句，在从句中不做成分，what引导宾语从句，what做know的宾语。选B。句意是：想想，你知道你事实上不知道的事是个严重的错。