---We all wonder the relationship between France and China is good again now?
---Because the two countries have mon national benefits.
A. why it is that
B. why it is
C. that it is why
D. it is why
网友回答
(答案→)A. why it is that
B. why it is
C. that it is why
D. it is why
解析：这是强调句型其结构是It was+被强调部分+ that+其他，判断强调句型的方法是把It was that去掉整个句子不缺成分，是成立的。这里被强调部分是why，它又是宾语从句的连词故应放在宾语从句之前，故选A