Rachel's New Roommate,Berta,has Not Done Laundry for an Entire Week

Rachel's new roommate,Berta,has not done laundry for an entire week.Her clothes are lying all over their room.This leads Rachel to assume that Berta is an untidy and undisciplined person.What Rachel does not know is that Berta is currently taking finals and working 40 hours per week.In the context of social cognition,Rachel is primarily _____ to explain Berta's behavior.

A) using social comparison
B) making a fundamental attribution error
C) using the self-serving bias
D) relying on the false consensus effect