When you visit a museum you must ask for before taking photographs inside it.
A. promise
B. permission
C. consideration
D. support
网友回答
A. promise
(答案→)B. permission
C. consideration
D. support
解析：考查名词辨析。句意：当你参观博物馆时，你必须申请，在得到允许之后才能拍照。A诺言，承诺，希望；B准许，许可；C考虑，体贴；D支持。故选B。