-John,how did your English exam go?-I thought I_____,but in fact _英语解答

-John,how did your English exam go?
-I thought I_____,but in fact I came in the top 10% in the class.
A.should have failed B.couldn't have failed
C.might have failed D.mustn't have failed
答案选C,为何不选A
分析题目
分析解释一下四个选项
解释一下全句的意思
谢谢~

人气：215 ℃　时间：2020-04-05 07:26:04

解答

should have done sth表示理当应该做的但是没做
他以为自己考了个不及格,不是说他应当是考不及格,而是对已经发生的事情推测,所以用might have failed.