通过信息网络向公众提供作品，使公众可以在其个人选定的时间和地点获得作品的权利，叫做（）
A.播放权
B.信息网络传播权
C.展览权
D.制片权
参考答案：B
Having checked the doors were closed, and ________ all the lights were off, the
boy opened the door to his bedroom.
A．why
B．that
C．when
D．where
药物工艺路线设计的主要方法有哪些？
