Rhett, a Member of a Fraternity, Is Approached by Another

Multiple Choice

Rhett, a member of a fraternity, is approached by another member of his own fraternity and a member of another fraternity, both of whom seek donations for the same local charity. Rhett decides to only make a donation to his fellow fraternity member. This example best illustrates which of the following?

A) The individual-group discontinuity.
B) In-group favoritism.
C) Individuation.
D) Intergroup conflict.