Cathy has forgotten to do her laundry this week. Since she is running late for class she wears the only clean shirt she has, a "New Kids on the Block" T-shirt leftover from 1988. As she wanders around campus she is convinced that everyone is staring at her. Cathy is most likely experiencing

A. the spotlight effect.
B. the illusion of transparency.
C. the self-reference effect.
D. a comparative self.