Would you do me a(n) _______ and open the window? It is so hot in the room.

A．help

B．favor

C．aid

D．service

按建标[2003]206号文的规定，下列各项中属于规费的是( )。

A．住房公积金

B．安全施工费

C．劳动保护费

D．劳动保险费