I don’t know makes her different from othersConfidence I think.A. how is it th

问题补充：

--- I don’t know makes her different from others.

--- Confidence, I think.

A. how is it that

B. how it is that

C. what is it that

D. what it is that

答案：

A. how is it that

B. how it is that

C. what is it that

(答案→)D. what it is that

解析：考查特殊句式。上一句的意思是“我不知道是什么让她与众不同”，what it is that makes her different from others 是know 的宾语从句，因此要用陈述语序。从句是一个强调句，被强调部分是主语what。选D。