请教一道英语语法题,给出理由!
问题描述：
请教一道英语语法题,给出理由!
If you had studied harder in those days,you ____ a top student now.
A.should be B.could have been C.would be D.might have been
答
选C
这是一道主从句时间不一致的虚拟语气条件句,从句对过去进行虚拟用had done 主句对现在进行虚拟用would do 所以选C