When Jason looked at his professor on the first day of class he thought that she was well-dressed, about 35 or 36 years old, probably married with a couple of kids, and would be too busy with her research to post regular office hours. Jason is _____ in categorizing his professor.

A) using implicit cognition
B) engaged in the stereotype threat
C) using explicit congnition
D) using his orbital frontal lobes and amygdala