Lionel Never Used to Worry About Driving in the Snow

Multiple Choice

Lionel never used to worry about driving in the snow until he skidded off the highway one morning during a heavy snowfall.As the back end of the car started to fishtail, Lionel's heart started to race and he became terrified.Now he finds that just getting into his car when there is snow falling causes him to become extremely agitated.In this example of classical conditioning, the conditioned stimulus is:

A) getting into the car when there is snow falling
B) the car sliding on the icy roadway
C) the agitation that Lionel feels when he gets into the car on snowy days
D) Lionel's increased heart rate as the car slipped on the icy road