In Pavlov's Research,dogs Learned That the Sound of a Metronome

Multiple Choice

In Pavlov's research,dogs learned that the sound of a metronome predicted the arrival of food,so the dogs salivated at the sound of the metronome.In this research,classical
Conditioning occurred in part because the ________ elicited a(n) ________ response
(salivation) .

A) unconditioned stimulus (food) ;unconditioned
B) conditioned stimulus (food) ;conditioned
C) unconditioned stimulus (metronome) ;conditioned
D) conditioned stimulus (metronome) ;unconditioned