Oliver Tells a Tasteless Joke at a Party and Gets

Oliver tells a tasteless joke at a party and gets a big laugh.The next day, he tells the same joke in class, thinking people will laugh.Instead, his teacher takes him aside after class and gives him a stern lecture about why he should not say such things about a particular ethnic group.In operant conditioning terminology, we could say that Oliver:

A) has generalized from one situation to another inappropriately.
B) is being shaped to tell tasteless jokes.
C) is receiving negative reinforcement for his joke-telling behaviour.
D) experiences a group contingency at the party, but not in class.