It is helpful to put children in a situation they can see themselves differently.
A. that
B. when
C. which
D. where
网友回答
A. that
B. when
C. which
(答案→)D. where
解析：考查定语从句。句意：把孩子放在可以让他们从不同角度看自己的形势中是有帮助的。先行词是situation，指物，亦可指地点，定语从句中缺少地点状语地点状语，用关系副词where引导定语从句，选D。