To be sure， some insects can build complex societies ________ different types of individuals performing different tasks.
A、taken from
B、made of
C、composed of
D、developed from
【正确答案】：C
【题目解析】：句意：事实上,一些昆虫能够建立复杂的社会,由不同的个体组成,他们完成(担任)着不同的任务。be composed of由……组成
