Michelle is a college student and a prostitute. She makes, on average, $300 a day. When confronted by her friend, Michelle exclaimed, "Well, I make a lot more money than you do. Besides, no one gets hurt. It's no big deal." Michelle is likely engaging in

a.techniques of neutralization.
b.lying -- to herself and to her friend.
c.a cover-up.
d.techniques of justification.