­­­­­­­­­­____________ is a primary agent/agency of socialisation, while ____________ is a secondary agent/agency of socialisation.

Correct option is D

Family is considered a primary agent of socialization as it is the first social group a child interacts with and learns from, establishing foundational social norms, values, and behaviors. The school is a secondary agent, where children are further socialized into broader societal norms and values through interaction with teachers and peers.