It’s really unwise of some teenagers from low-income families to spend a large sum of mone

问题补充：

It’s really unwise of some teenagers from low-income families to spend a large sum of money on Apple products they could buy other cheaper brands.

A. unless

B. when

C. so that

D. in case

答案：

A. unless

(答案→)B. when

C. so that

D. in case

解析： 考查连词。A 除非B当。。时候C因此D以防万一 题意 对于低收入家庭的孩子来说，花很多的钱在苹果产品上是十分不明智，当他们有很多更多便宜的品牌可供选择的时候。根据题意判断句子所需要的连词，进行判断，故选B项。

考点 连词辨析。