In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.
They are social insects, living in communities, regulated by definite laws, each member of society bearing well-defined and separate part in the work of a colony.
who are living in communities
living among a community
who lives with a community
No improvement
Correct answer is D
No explanation has been provided for this answer.