Which of the Following Is an Example of Classical Conditioning

Multiple Choice

Which of the following is an example of classical conditioning?

A) A child learns to blink her eyes to a bell because the ringing of the bell has been followed by a puff of air to the eye.
B) A pigeon learns to peck at a disc in a Skinner box to get food.
C) Rich saw that when Donna banged her fist against a particular vending machine,she got a free soft drink,so now he bangs his fist against that machine when he wants a free soft drink.
D) A monkey learns to escape from a cage.