Answer:
Option C.
Explanation:
Families, is the right answer.
Political socialization is the "method through which people learn and often internalize a partisan lens constructing their understandings of how control is designed and how the society around them is and should be regulated. Such understandings, in accomplishment, form and explain people' descriptions of who they are and how they should act in the economic and political systems in which they reside." In this way, Families are the agent of political socialization.