— Is there anything you want to know?
— I just wonder that makes Jim so excited.
A. what it is
B. what he does
C. how it is
D. why it does
网友回答
(答案→)A. what it is
B. what he does
C. how it is
D. why it does
解析：考察主语从句，that在句子中指代具体内容，根据题意，有什么你想知道的事吗？——我想知道的是是什么让他如此兴奋？选A。it指代上文anything。