Not until yesterdaythat I had made a serious mistake.A. didn’t I realizeB. did I realizeC

发布时间：2020-08-17 08:59:03

Not until yesterday    that I had made a serious mistake.
A. didn’t I realize
B. did I realize
C. I didn’t realize
D. I realize

网友回答

A. didn’t I realize
(答案→)B. did I realize
C. I didn’t realize
D. I realize
解析：选B。考查倒装语序。not until接状语从句放在句首时, 主句用倒装结构。
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