— If you want to go out of a cinema, which sign should you follow?

— It's ______. [ ]

A. EXIT

B. ENTRANCE

C. NO PARKING

D. NO SMOKING

下列不属于治安警察的职责的是( )。

A．了解并掌握社会治安动态

B．预防犯罪

C．处理治安案件

D．管理有关行业的生产经营行为