If you had told me about your problem,I ------ able to help

问题描述：

If you had told me about your problem,I ______ able to help you.
A.might be
B.may have been
C.may be
D.might have been
1个回答 分类：英语 2014-11-09

问题解答：

我来补答
D
虚拟语气用法,这个是表示与过去事实相反
结构：从句过去完成时,主句过去将来完成时
if ..had told （过去完成时）,主句 might have done或would have done,所以D
 
 
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