4.How pleased the emperer was ____ what the cheat said

题目

4.How pleased the emperer was ____ what the cheat said
A.hearing B.heard C.hear D.to hear
应该选哪个?

答案

D
How pleased the emperer was 到这里已经是一个完整的句子了,剩下的不是定语就是状语
这里是不定式作状语