he met with the difficulty did he realize the importance of our help.A. Even thoughB. Ne

发布时间：2020-08-17 13:52:53

     he met with the difficulty did he realize the importance of our help.
A. Even though
B. Never until
C. Only before
D. Ever since

网友回答

A. Even though
(答案→)B. Never until
C. Only before
D. Ever since
解析：此题考查从句的引导词。根据主句是倒装did he realize可以排除A、D两项。如果选C项，则主句应该用过去完成时态had he realized,因而被排除。
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