题目

题型：不详难度：来源：

I""m surprised that he ____ to help me when I needed his help .

A．should refuse	B．would have refused
C．should have refused	D．may have refused

答案

C。

解析

should 可以用来表示“竟然”的意思。依下文信息还要用情态动词+ have done 结构。全句意为：我很奇怪，当我需要他帮忙时，他竟然拒绝了。