【题目】 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
在线课程【答案】B
【解析】
试题解析：此题考查not…until句型的倒装句，其句型为：Not until +从句+ 助动词+主语 +谓语……，据此排除CD项；until的主从句均使用一般过去时态，故答案为B。句意：直到他经历过真正的艰难困苦以后，他才认识到我们对家人的爱是多么的重要。