A large sum of money has been raised the poorly-educated children in the mountainous areas

A large sum of money has been raised the poorly-educated children in the mountainous areas.
A. in return for
B. for the benefit of
C. in search of
D. in memory of

A. in return for(答案→)B. for the benefit ofC. in search ofD. in memory of解析：考查介词短语。in return for作为…的回报；for the benefit of 为….的益处；in search of寻找… in memory of为了纪念….句意：为了那些山区的没有接受教育的孩子，一大笔钱已经被筹集了。

这下我知道了