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.
-The fear you now experience whenever you hear the song that was playing at the time of the accident would be the

A) unconditional stimulus.
B) unconditional response.
C) conditional stimulus.
D) conditional response.