The correct answer is option B
Human beings primarily form communities to meet the need of the group and the individuals. It is the need for the social well being of the individual.
There are certain needs of a group of individual to survive in the society. They must interact with one another to live happily.
They need to interact to survive for the purpose of food, reproduction, communication, resources and many more things.
So, to meet the requirement of a group of people individuals should interact with one another.