(2013·安徽安庆三模)The two countries agreed to ________ their differences and work together for peace, which has a positive effect on the international situation.

A．set down

B．set out

C．set aside

D．set about

公安机关对于报案、控告、举报，属于其职责范围的应当接受，对于不属于其职责范围的，则不应当接受。( )