"Do You Notice How All of Those People Look Alike

"Do you notice how all of those people look alike? I can't even tell some of them apart. I think they all like doing the same kind of jobs. I heard it was because they are lazy." This dialogue demonstrates the stereotyping and prejudice of

A) creating a self-fulfilling prophecy.
B) attributing faults of outgroup members to external factors.
C) grouping people into social categories.
D) making unrealistic assumptions of a reference group.