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 in a relaxed state.