It is none of your business other people think about you. Believe yourself.A. whichB. what

问题补充：

It is none of your business other people think about you. Believe yourself.

A. which

B. what

C. how

D. when

答案：

A. which

(答案→)B. what

C. how

D. when

解析： 考查主语从句。It是形式主语，other people think about you是主语从句，且从句缺少think的宾语，要用what引导。选B。