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
网友回答
(答案→)A. Had you taken
B. If you take
C. Should you take
D. If you have taken
解析： 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。