Some students are playing football. _______are doing their homework.

A．The other

B．Other

C．Another

D．Others

常用的吗啡和二醋吗啡(海洛因)药物依赖脱毒治疗时，重要的代替药是( )。

A．罗通定
B．芬太尼
C．纳洛酮
D．美沙酮
E．喷他佐辛