He likes to play basketball very much. He wants to makebybasketball in the future.A. livin

问题补充：

He likes to play basketball very much. He wants to makebybasketball in the future.

A. living; playing B. a living; playing C. a living; play

答案：

解析：make a living是固定短语，有“赚钱过活；营生；糊口谋生；谋生”之意；第二空前有介词by，其后不可接动词原形。故选B。