The parents can’t explain makes their children so fascinated with their teacher’s lessons

问题补充：

The parents can’t explain makes their children so fascinated with their teacher’s lessons.

A. that what it is

B. what it is that

C. what is it that

D. that what is it

答案：

A. that what it is

(答案→)B. what it is that

C. what is it that

D. that what is it

解析：考查强调句的特殊问句和宾语从句：强调句特殊问句的结构是：特殊疑问词+is/was+that+其余部分，而且这个强调句的特殊问句是做explain的宾语从句，所以应该是陈述句的语序，句意：父母不能解释是什么使孩子对他们的老师的课着迷的。选B。