Some insects the color of their surroundings to protect themselves.A. take inB. take onC.

问题补充：

Some insects the color of their surroundings to protect themselves.

A. take in

B. take on

C. take over

D. take off

答案：

A. take in

(答案→)B. take on

C. take over

D. take off

解析：句意，一些昆虫呈现出它们所在环境的颜色来保护它们自己。take in吸收 take on呈现 take over接管 take off起飞，根据题意，故选B。