Which of the following scenarios illustrate stimulus generalization?
A. A dog conditioned to salivate to a bell also salivates to a similar sounding bell.

B. A student studies hard to get good grades and receives praise.

C. A dog stops salivating when the bell is no longer paired with food.

D. A person learns to fear all types of barking dogs after being bitten by one.

Choose the correct answer from the options given below: