One of the widely known theories of identities is the social identity theory. Which of the following best describes its claims on social identity formation?

A. Social identity is formed based on ascribed characteristics only.
B. Social identity is formed based on the context in which it occurs.
C. Social identity is formed based on the social categories of group memberships.
D. Social identity is formed based on the extent to which we are successfully or
unsuccessfully interpellated.

C. Social identity is formed based on the social categories of group memberships.