Among the following words, ______contains a prefix of time and o

Among the following words, ______contains a prefix of time and order.
A、ex-wife
B、vice-chairman
C、forehead
D、maltreat
【正确答案】：A
【题目解析】：本题考查第四章前缀法的具体内容，前缀法基本上可以分为九种，其中prefix of time and order的前缀有 (ex-,fore-,post-,pre-,re-)，因此选出A。