【题目】He was so angry as to be unable to do what he wanted to, But he couldn’t say ________ that upset him.
A.what was itB.it was whyC.why was itD.what it was
在线课程【答案】D
【解析】
考查强调句。句意：他如此生气于不能做他想做的事。但是他说不出究竟是什么让他烦恼。此处是say后面接了一个强调句的特殊疑问句做宾语从句，即“疑问词+it is/was that…”。故选D。