Professor White, along with his wife and children, ________ London for Paris tomorrow.

A．are leaving

B．is leaving

C．has left

D．have left

对年老体弱、痰量较多且无力咳痰的慢性支气管炎患者，不宜使用的药物为下列哪一项（）

A.溴己新

B.氧氟沙星

C.羧甲司坦

D.氨溴索

E.可待因