It's helpful to put children in a situation they can see themselves differently.A. that B

问题补充：

Its 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：D 考察定语从句。先行词是situation指地点，in a situation在从句中做地点状语，所以使用where。句义：把孩子放在能不同的角度看问题的环境里，这对孩子是很有作用的。