Don Is Delighted When He Successfully Conditions His Roommate,Lloyd,to Cringe

Multiple Choice

 Don is delighted when he successfully conditions his roommate,Lloyd,to cringe at the sound of the squeaky drawer by pairing the squeak with a ping-pong ball to his roommate's head.He decides to continue his classical conditioning experiment and creates another squeaky noise by dragging his chair legs across the floor.At first,Lloyd cringes at the new squeak,illustrating ____. 

A) habituation
B) dishabituation
C) discrimination
D) generalization