——What do you want to if you are in the university?——Physics.A. mix upB. cut upC. major i

问题补充：

——What do you want to if you are in the university?

——Physics.

A. mix up

B. cut up

C. major in

D. use up

答案：

A. mix up

B. cut up

(答案→)C. major in

D. use up

解析：根据下文呢的意思，可知答案为C