What she does in her free time does not concern  m...

Câu hỏi: What she does in her free time does not concern  me.

A. What she does in her free time is none of my  business.

B. What she does in her free time is not my  concern.

C. I don't know what she does in her free  time.

D. What she does in her free time is not concerned by  me.