When and where to build the new power station yet.A. is not decidedB. are not decidedC. h

问题补充：

When and where to build the new power station yet.

A. is not decided

B. are not decided

C. has not decided

D. have not decided

答案：

(答案→)A. is not decided

B. are not decided

C. has not decided

D. have not decided

解析：不定式和动名词作主语常作抽象概念来看待，谓语动词用单数。