The project to developing the economy and reducing poverty when it is completed.A. has co

问题补充：

The project to developing the economy and reducing poverty when it is completed.

A. has contributed

B. had been contributed

C. will contribute

D. is contribute

答案：

A. has contributed

B. had been contributed

(答案→)C. will contribute

D. is contribute

解析：句意这项工程在竣工后，将会继续发展经济，减少贫穷。表示将要发生的事情，用一般将来时，选C。