Free medical service is _______ to nearly all the college studen

Free medical service is _______ to nearly all the college students in China.
A、favorite
B、available
C、convenient
D、average
【正确答案】：B
【题目解析】：favorite最喜欢的；available可获得的；可购得的；convenient方便的；average平均的。句意：在中国，几乎所有的大学生都享受免费医疗服务。