问题详情

Livinginuniversityhallsisconvenientbecause__________．查看材料
A.mealsareservedatanytime
B.mosthallsprovidevariousfacilities
C.publicroomsareavailableforvisitors
D.allhavestudyroomsfortheirownuse
请帮忙给出正确答案和分析，谢谢！