After Several Pairings of a Beeping Sound with an Electric

Multiple Choice

After several pairings of a beeping sound with an electric shock, a person reacts to the beeping sound by flinching, increased heart rate, and other signs of fear. How could someone extinguish this response?

A) Punish the person for any sign of fear.
B) Wait a long time without either the sound or the shocks.
C) Present the shocks after some other sound.
D) Present the beeping sound alone, repeatedly.