Students should study hard to make their dreams .A. come outB. come upC. come trueD. come

问题补充：

Students should study hard to make their dreams .

A. come out

B. come up

C. come true

D. come on

答案：

A. come out

B. come up

(答案→)C. come true

D. come on

解析：句意为：学生应该努力学习以实现自己的梦想。come out：出版、发表，come up：发生、出现，.come true：实现，come on：加油。根据语境可知应选C。