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帮看一道单选题!It is not like Jack to be unfriendly,so he ___ you w

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帮看一道单选题!
It is not like Jack to be unfriendly,
so he ___ you when you called.
A.can't have been
B.should not have been
C.must not have been
D.need not have been
这道题选什么?为什么
been应改为known,哈
选A.排除法。首先C、D排除,因为一个是禁止,一个是本不应该,与前文意思不符。其次排除B,因为该项意为本不应该。。。变成了责备语气,与题目前文意思不符。