The Textbook Cites One Social Scientist's Definition of What Makes

Multiple Choice

The textbook cites one social scientist's definition of what makes a family: people who share affection and resources as a family, and who think of themselves and present themselves as a family, are a family. Of the following statements, which best explains why would she have needed to develop this definition?

A) Everybody's concept of what makes a family is the same.
B) Friends and family tend to overlap.
C) Family relationships are limited in number.
D) In today's world, it's not always easy to define what makes a family.