The magazine is a(n) number. You can take it out of the reading room.
A. back
B. past
C. old
D. former
网友回答
(答案→)A. back
B. past
C. old
D. former
解析:句意:--这个杂志是过期的刊物,你可以将它带出阅览室。Back adj.背部的,后面的,以前的,拖欠的,a back number.过期的刊物, 过时的人,past adj.过去的,以前的,结束的,前任的,old旧的,
Former以前的,所以选A。