下列各题共用备选答案 A．溴新斯的明 B．硝酸毛果芸香碱 C．硫酸阿托品 D．氯化琥珀胆碱 E．碘解磷定 含吡啶环的拟胆碱药是 （）

A. 盐酸丁卡因
B. 盐酸普鲁卡因
C. 盐酸利多卡因
D. 盐酸布比卡因
E. 盐酸氯胺酮

A. laughs at his own joke
B. repeats it several times
C. is very serious when hetells it
D. is conoelTled about thereaction of his listeners