— Would you mind me _____?

— _____. Do it as you like please. [ ]

A. to play the piano, Good idea

B. playing the piano, Of course not

C. playing the piano, Of course

D. play the piano, All right

社会主义社会人与人之间的关系，本质上属于（）

A.竞争

B.合作

C.既竞争又合作

D.无利害冲突