This is a(n) arrangement,not a permanent one.
A. frequent
B. temporary
C. actual
D. individual
网友回答
A. frequent
(答案→)B. temporary
C. actual
D. individual
解析：frequent频繁的；temporary暂时的；actual实际上；individual个人的。permanent 永久的。从“not a permanent one”看,选temporary和permanent相对。