Answer: c) Subculture
Explanation:
Subculture is defined as culture that is part of the major and large culture.It has its own certain beliefs, values and practices which are not followed in parent culture.
According to the question,Carolina is the sub-cultural member as she is indulged in following subculture beliefs and values about dogs along with main culture values.
Other options are incorrect because category, collective and counter-culture are not the community to which Carolina belongs as member.Thus, the correct option is option(c).