On the way home from work after a 36 hour shift as a medical resident, Elizabeth is stopped by a police officer and given a ticket for a rolling stop on a completely abandoned road in a small town. She accepts the ticket politely and respectfully. When she finally arrives home, her breakfast is cold and her husband forgot to make coffee. She snaps at him that he never thinks about her needs and is being selfish in not considering how she would feel after such a long shift. This is an example of which defense mechanism?
a. displacement
b. rationalization
c. reaction formation
d. denial