A social network is:A) a social structure that derives its existence from the social interactions through which people define and redefine its character. B) an attempt to reach agreement with others concerning some objective. C) a series of social relationships that link a person directly to others and therefore indirectly to still more people. D) the way in which a society is organized into predictable relationships.

option (A).

Explanation: A social network is a social structure that derives its existence from the social interactions through which people define and redefine its character. Social network is a social structure made up of a set of social actors, sets of dyadic ties, and other social interactions between actors. social networks is useful in the social sciences to study relationships between individuals, groups, or organizations.

dude you should crop your image so only the question shows. but   can you explain it better