题目内容：

when and where to build the new shopping mall谓语用单数还是复数
以上哪个是正确答案
A.is not decided B.are not decided C.has not decided D.have not decided

优质解答

选A.when and where to build the new shopping mall是一个整体,何时何地建这座购物中心这件事情是主语,所以谓语动词用单数.CD语法错误,要加被动语态.