Farouk Sees a Man Slumped Over in the Alley

Multiple Choice

Farouk sees a man slumped over in the alley.He looks around,but no one else seems concerned.Farouk assumes that if no one else is worried,then the man's condition must not be serious.This is an example of:

A) diffusion of responsibility.
B) pluralistic ignorance.
C) the social responsibility norm.
D) the norm of reciprocity.