题目

题型：不详难度：来源：

I really didn’t understand____ made my son so sad this morning.

A．what was it

B．what it was that

C．it was what that

D．what was it that

答案

B

解析

考查强调句的特殊疑问句形式。强调句的特殊疑问句：What was it that made ….,但因为此句做understand后面的宾语从句，故用陈述语序。