A-A+
Only when I began to do it ______ that I had m
问题详情
Only when I began to do it ______ that I had made a mistake.
A．I realized
B．I had realized
C．did I realize
D．would I realize请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：倒装句。only起始的句子主谓要倒装。题干为过去时，选择过去时的倒装：didIrealize。只有开始做的时候才会意识到自己犯了错。
