泉州直放站YKJ-I远供电源输入电源为DC48V，输出电压为（）。

A、AC220V

B、DC110V

C、DC450V

D、DC12V

Take the elevator          the second floor and turn left. And the bookstore is ____ the furniture store and

the drugstore.[ ]

A. at, next to    

B. at, between    

C. to, Between