----I don’t suppose the police know who did it.

----Well, surprisingly they do. A man has been arrested and _____ now.

A．has being questioned

B．is questioning

C．has questioned　　

D．is being questioned

《收费许可证管理办法》适用于实施收费的（）。

A.所有法人单位

B.国家机关、事业单位及非企业组织

C.所有法人单位和非法人单位

D.国家机关和企事业单位