Your best friend lives with her mother and father, her two sisters, and her grandmother and aunt, all in the same household. a sociologist would refer to this as a(n) family.

Extended family.

Explanation:

An extended family is defined as the  family which extends beyond the category of nuclear family, which consisting father, mother, and their children, uncles, aunts, grandparents, and cousins, they all living in the same house.

The extended family which comes to live either with or in a place of a immediate family member in some circumstances. In one household, These families are include and some relatives in addition to an immediate family.

answer: b has a great day

explanation:

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )