《关于贯彻<关于深化改革严格土地管理的决定>》中规定，申请设立开发区或扩区的，必须报经（）城乡规划行政主管部门依据规划审查，核定用地范围并出具审查意见。

A.乡级

B.县级

C.市级

D.省级

He ___________ unwisely, but he was at least trying to do something helpful.

A．may have acted

B．must have acted

C．should have acted

D．would act