Which of the Following Best Characterizes the Phenomenon of Classical

Which of the following best characterizes the phenomenon of classical conditioning?

A) changing the frequency of a behaviour that is already in the individual's repertoire
B) ceasing to respond to repeated presentations of a stimulus
C) a neutral stimulus that comes to elicit a response that is normally elicited by another stimulus
D) the gradual weakening and disappearance of any learned response
Scenario 7.1
Suppose that you borrow your friend's laptop for a week to see whether you want to purchase one yourself.The computer makes a slight whirring sound just before it shuts down automatically due to low battery power.At first you didn't notice the sound and were surprised when the computer shut down.After a few days, however, you now reach for the power cord as soon as you hear the sound.Answer the following questions based upon your knowledge of classical conditioning.