You_____because the exam is very easy.A should't have failed B should't fail C must have failed D couldn't have failed

问题描述:

You_____because the exam is very easy.
A should't have failed
B should't fail
C must have failed
D couldn't have failed

A 表示已经failed
选 B

A
should't have done 表示 本不应该做某事

A.
你本不应该考试不及格,因为这考试很简单.
shouldn't have done sth.本不应该做某事(实际上做了)
希望可以帮到你.

B