问题补充：
Some insects the colour of their surroundings to protect themselves.
A. take in
B. take off
C. take on
D. take out
答案：
A. take in
B. take off
(答案→)C. take on
D. take out
解析：考查短语辨析. take in接受,理解;take off起飞,脱下;take on承担,具有,呈现;take out取出,出发.句意:一些昆虫具有周围环境的颜色来保护他们自己.结合语境可知选C.
