Which One of the Following Situations Illustrates Extinction of a Classically

Multiple Choice

Which one of the following situations illustrates extinction of a classically conditioned response?

A) Alfonso thinks school is a waste of time because he does not learn anything he can really use.
B) Brian experiences more and more anxiety about mathematics as his math problems become increasingly challenging.
C) Carla becomes less afraid of tests over time when she finds that she can succeed at them.
D) Deirdre does not like keeping her desk clean because she has too much stuff.