What Is a "Family" According to the Text

What is a "family" according to the text?

A) a social group having specified roles and statuses with ties of blood, marriage or adoption that usually shares a common residence and cooperates economically
B) a continuing relationship of love and care, and an assumption of responsibility for some other person
C) husbands, wives, and children who all live under one roof
D) a unit made up of any number of persons who live or have lived in relationship with one another over time in a common living space and who are usually, but not always, united by marriage and kinship