Answer:
c. Dopamine
Step-by-step explanation:
A neurotransmitter is a chemical that is released in the brain and that send different messages to other parts of the body.
Dopamine in particular, is the neurotransmitter that contributes to feelings of pleasure and satisfaction, therefore, when we have a pleasurable experience, dopamine is released into our body and we experiment pleasant feelings.
In this example, you reward yourself with a delicious treat, generating pleasant feelings as a result of this. Since the dopamine is responsible for our feelings of pleasure and satisfaction, we can say that these behaviors are made possible by the release of dopamine.