I just wonder that makes him so excited.A. why it does B. what he does C. how it is D. wh

问题补充：

I just wonder that makes him so excited.

A. why it does

B. what he does

C. how it is

D. what it is

答案：

A. why it does

B. what he does

C. how it is

(答案→)D. what it is

解析：本题关键看出是It is…that 的强调句型，本题中对what一词进行强调。句意：我只是想知道什么使他如此兴奋。