问题
选择题
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
答案
答案：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。
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