Question

_____ my advice, you would not be in such a terrible situation now．

A．Had you taken	B．If you take
C．Should you take	D．If you have taken

Answer 1

A

考查虚拟语气。_____ my advice是省略if的虚拟语气，指的是过去的情况，所以用if you had done结构，而had是助动词，可以提到句首，省略if，变成had you done.所以选A。