When and where to build the new factory not decided yet .A. isB. areC. hasDhave

问题补充：

When and where to build the new factory not decided yet .

A. is

B. are

C. has

Dhave

答案：

(答案→)A. is

B. are

C. has

D. have

解析：句意：何时何地建新工厂还没有决定呢？When and where to build the new factory是疑问词+不定式作主语，而且何时何地为一个概念，所以谓语动词用单数，工厂是被建造，排除C。所以选A。