Humans’ activities have pushed some endangered animals into a situation we will probably never see them.
A. that
B. what
C. where
D. which
网友回答
A. that
B. what
(答案→)C. where
D. which
解析：考查定语从句：句意：人类的活动已经把濒危动物逼近一个形势我们将可能永远看不见它们。先行词是situation，定语从句中缺少地点状语，用关系副词where引导定语从句，选C。