(2013·高考福建卷)Not until he went through real hardship the love we have for our families is important.
A. had he realized
B. did he realize
C. he realized
D. he had realized
网友回答
A. had he realized
(答案→)B. did he realize
C. he realized
D. he had realized
解析：选B。题干的意思是：“直到他经历了真正的困难，他才意识到我们对家人的爱的重要性。”由题干中句首的关键信息Not until可知此处要用部分倒装，排除C、D两项；而A项用了过去完成时，表示“realize表示的动作发生在从句谓语went through表示的动作之前”，这显然不合逻辑，所以排除A项；而B项无论从语序还是从时态上讲，都是非常正确的。