英语选择.--Wedidn'tseehimatthelectureyesterday.--Heit.A.wouldhavenotattendedB.cannothaveattendedC.needn'thaveattendedD.mustn'tattend但我选的是D,为什么选B不选D?

Question

英语选择.
--We didn't see him at the lecture yesterday.
--He ___ it.
A.would have not attended
B.can not have attended
C.needn't have attended
D.mustn't attend
但我选的是D,为什么选B不选D?

Answer 1

先翻译一下：——我们没看见他来参加昨天的演讲.－－他不可能昨天来了.所以按语境选B.另外,D不选的原因是：情态助动词+不定式的完成式中没有mustn't have done的结构,更不用说用它来表示“过去不可能做过某事”.但mu...