(单选题)
I just wonder ______ that makes him so excited.
A.why it does
B.what he does
C.how it is
D.what it is
参考答案:D
参考解析:
考查强调句的特殊疑问结构。句意:我只是想知道是什么让他如此兴奋。分析句子成分可知,此处______ that makes him so excited充当宾语从句,宾语从句为强调句型的特殊疑问句形式,还原后为______ makes him so excited,从句中缺少主语,所以应用what引导。故选D。
知识点:
