He prefers ________ this one ________ that one.

He prefers ________ this one ________ that one.

A.to exchange, of

B.exchange, for

C.to exchange, for

D.exchanging, to

答案及解析： C

解析：

prefer to do sth表示“喜欢干……”，exchange…for…意思为“用……换取……”故正确答案为C。