—Hey, Turn it off! We don't ______ music in the reading-room. 　　

—Oh, I'm sorry, madam. [ ]

A. like

B. hear

C. play

D. allow

按照产品制造成本法，不应计入产品制造成本的费用是( )

A．工资及福利费

B．折旧费

C．维简费

D．管理费