It’s helpful to put children in a situation they can see themselves differently.
A. what
B. which
C. where
D. As
网友回答
A. what
B. which
(答案→)C. where
D. As
解析：考查定语从句。先行词是situation，指地点；另外，定语从句they can see themselves differently不缺少成分，指地点用where引导定语从句；what不能引导定语从句，which/as作主语或宾语；排除A、B、D。故选C。