Which scenario best illustrates the concept of classical conditioning?

• A. A dog salivates when it sees its food bowl, even before the food is placed in the bowl.
• B. A student studies harder for tests after receiving high marks as a result of studying.
• C. A cat runs to the kitchen when it hears the sound of a can opener, associating the sound with being fed.
• D. A child cleans their room to avoid being grounded by their parents.

Answer: (C)