问题
选择题
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
答案
答案：B
题目分析:句意：直到他经历了真正的艰辛，他才意识到我们对一家人的爱是非常重要的。Not until +从句位于句首时后面需用部分倒装语序，排除CD选项；根据句意可知“realize”是发生在“went through”之后，故用一般过去时，选B。