The schools themselves admit that not all children will be successful in the jobs they are being trained.
A. in that
B. for that
C. in which
D. for which
网友回答
A. in that
B. for that
C. in which
(答案→)D. for which
解析：考查定语从句。定语从句中的关系代词前面的介词来源于三个方面：先行词的搭配；定语从句中的固定搭配；以及句子的意思。句意：学校自己也承认不是所有的学生在他们所接受培训的工作方面都会取得成功。本题的for指目的，他们为了工作而接受培训。故D正确。