It is helpful to put children in a situation they can see themselves differently.A. thatB

问题补充：

It is helpful to put children in a situation they can see themselves differently.

A. that

B. when

C. which

D. where

答案：

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。