Irinia's Dog Loves to Go for Walks,and She Always Puts

Multiple Choice

Irinia's dog loves to go for walks,and she always puts a leash on him when they go out.The dog used to wag his tail as soon as they got outside,but now he wags his tail when Irinia picks up the leash.One day,Irinia is cleaning out her garage and pulls some old bungee cords out of a box.Her dog begins to jump around and wag his tail the same way he does when he thinks they are going for a walk.The dog has ___________________ the stimulus of the leash to the bungee cords.

A) discriminated
B) unconditioned
C) extinguished
D) generalized