Question

If it had not been for your help, I ____ the examination.

A．could not pass	B．would not pass
C．would not have passed	D．can not have passed

Answer 1

C

考察虚拟语气，跟条件从句要不是你的帮助，从句为过去完成时态，可知主句事情已经发生，可知选C，我不会通过这次考试。