As the young people in Nanning we ought to do everything we can our city more beautiful

问题补充：

As the young people in Nanning, we ought to do everything we can our city more beautiful from now on.

A. make

B. made

C. to make

D. will make

答案：

A. make

B. made

(答案→)C. to make

D. will make

解析：考查非谓语动词。句意：作为南京的年轻人，从现在起我们应该做我们能做的一切，来让我们的城市变得更加美丽。We can为后置定语修饰everything，不定式做目的状语表示具体的将要进行的动作，结合语境可知选C。