I have no idea go there with her.
A. it is why that he will
B. why is it that he will
C. why it is that he will
D. it is why will he that
网友回答
A. it is why that he will
B. why is it that he will
(答案→)C. why it is that he will
D. it is why will he that
解析：句意：我不知道为什么他要和她去那里。这里含有一个强调句，强调句式的特殊疑问句是“特殊疑问词 + is/was + it that…？”，且名词从句要用陈述语序，选C。