(2013·福建高考)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
B. did he realize
C. he realized
D. he had realized
解析：B 考查倒装句。句意：直到他经历了真正的困难，才意识到我们热爱家人的重要性。“Not until...”置于句首，主句需要部分倒装，所以排除C和D项。分析题干可知，主句与从句中的谓语动词都表示过去发生的动作，但是不强调两个动作的先后顺序，所以排除A项，选B项。