He likes music and wants to be a ________ musician in the future.

He likes music and wants to be a ________ musician in the future.

A.profession

B.professor

C.professional

D.professionally

答案及解析： C

解析：

他想成为一个职业乐手，应用形容词professional. profession n.职业；professor n.教授；professionally adv.专业地。