Within any culture, there are or groups of people who accept much of the dominant culture but are set apart from it by one or more culturally significant characteristics. A. subcultures
B. alternative cultures
C. ideologies
D. weak cultures

A) Subcultures

Explanation:

Subculture includes group of people within a dominant culture. It is an umbrella term to include distinct communities, sections and members of the society. They share practices, values and identity which is the part of Culture but is uniquely distinct in the subculture.

Subcultures are distinct from the original culture of which it belongs in various socio-political aspects like norms, genders, sex and languages. It includes hippies, bikers and goths. They have a individual lifestyle which may or may not conform to the popular culture. Hence, subculture differs from the dominant culture in its own ways.

i think it is the third one.