What Does It Mean, According to Chapter 12, for a Society

Multiple Choice

What does it mean, according to Chapter 12, for a society to have a sense of shared identity?

A) That its members recognize themselves as descendants of some common ancestor who share a common language and culture.
B) That its members think of themselves as different from the members of other neighboring societies.
C) That its members regard themselves as having obligations to one another.
D) That its members regard themselves as sharing values and projects and having obligations to one another in virtue of their membership in the society.