Which Scenario Is an Example of Classical Conditioning

Multiple Choice

Which scenario is an example of classical conditioning?

A) training a rat to run a maze by rewarding it with food once it reaches the end
B) ignoring a patient who fakes anxiety attacks because the attacks normally result in attention from staff
C) teaching a child to do her chores by giving her a cookie when she has completed them
D) helping a patient's phobia of spiders by exposing him to the dangerous stimuli when he's in a relaxed state