I am afraid there’s __________with the computer. Can you come and have a look?

A．wrong anything

B．anything wrong

C．wrong something

D．something wrong

企业依实际情况，对计量器具（含标准器）划分为（）实施管理。

A．A、B、C三级 

B．A、B、C、D四级 

C．A、B二级 

D．A、B、C、D、E五级