-- My friends always get better grades than I do. What should I do?

--        

A．Maybe you should be more friendly to the teachers

B．Maybe you should have a rest.

C．Maybe you should work harder.

D．Maybe you should have a drink.

企业应收账款的账面余额定期与有关的债务单位和个人进行的核对，属于( )。

A．账证核对

B．账账核对

C．账实核对

D．账表核对