Question

_______ there yesterday, I could have asked him not to do so．

A．If I were

B．If I was

C．Had I been

D．Was I

Answer 1

C

考查含有if条件状语从句的虚拟语气。根据yesterday,可知指的是过去的情况，应该用if I had been there yesterday,可以将助动词had提到句首，省略if，即Had I been there yesterday。所以选C。