Refer to the Scenario Below to Answer the Questions That

Refer to the scenario below to answer the questions that follow.
While you are stopped at a traffic light and listening to a new song on the radio, you are rear-ended by the driver behind you. You suffer mild whiplash and minor bruising, and you are terribly frightened by the accident. Weeks later, you still get anxious whenever you hear the song that was on the radio at the time of the accident.
-Based on one explanation of what is learned in classical conditioning studies, an association would be formed between the fear generated by being in an accident and the song that was playing on the radio at the time of the accident. If such an association formed, it would represent an example of _______ learning.

A) S-R
B) S-S
C) R-S
D) R-R