We advised him __________________

A．telling not the news to his deskmate

B．not tell the news to his deskmate

C．not telling the news to his deskmate

D．not to tell the news to his deskmate

取某药物适量，加吡啶溶液(1-10)溶解后，加铜吡啶试液，则产生绿色沉淀，该药物是

A．盐酸普鲁卡因

B．对乙酰氮基酚

C．苯甲酸钠

D．司可巴比妥钠

E．注射用硫喷妥钠