Nothing he did was helpful to solve this

问题选择题

Nothing he did was helpful to solve this problem, _______?

A．didn’t he

B．was it

C．wasn’t it

D．did he

答案

答案：B

考查反意疑问句。句意“他所做的对解决问题毫无用处，不是吗？”nothing表示否定，故反意疑问部分用肯定，排除A、C；前面用的be动词was，故后面也用was，排除D。故选B。