When she is put in a situation she has to make a remark on others she usually changes t

问题补充：

When she is put in a situation she has to make a remark on others, she usually changes the topic.

A. that

B. when

C. which

D. where

答案：

A. that

B. when

C. which

(答案→)D. where

解析：句意：当她处于这种境地时，她不得不对别人发表评论，她通常再改变一个话题。这里是定语从句，先行词是situation，当先行词是抽象的表示位置的词时，也可就按地点来对待，故选D。