Answer:
c. Social control.
Explanation:
Social control is a group's active or passive process that regulates itself in accordance with its beliefs, values, and principles. One of the purposes of social control is to halt negative deviance, which reflects violation of established norms and values. It is necessary for the stability of society and achieved through social and political structures. Janet's dressing pattern violates the social structure of Hampton's and therefore she faced refusal at the party.