They are just human creatures in a human environment, trying to themselves to a social situation.
A. adopt
B. adapt
C. adjust
D. admit
网友回答
A. adopt
(答案→)B. adapt
C. adjust
D. admit
解析：考查动词辨析：A. adopt采纳，收养，B. adapt适应，改编，C. adjust 调整，D. admit承认，句意是：他们只是人类环境中的人，试图适应社交环境。选B。