Some dogs love attention, and Frodo the beagle learns that if he ...

[strangeaffliction]

Some dogs love attention, and Frodo the beagle learns that if he barks, he gets attention. Which of the following might you use to describe this behavior?
A) The dog is displaying an instinctive fixed action pattern.
B) The dog is performing a social behavior.
C) The dog is trying to protect its territory.
D) The dog has been classically conditioned.
E) The dog's behavior is a result of operant conditioning.

[Celeste]

E