In the context of negative peer pressure, the example would be:
C. A friend encourages you to smoke a cigarette.
This is an example of negative peer pressure because smoking is harmful to your health and well-being. Peer pressure can sometimes lead individuals to engage in activities that are harmful, risky, or against their values or beliefs. It is important to be able to recognize and resist negative peer pressure to make choices that are in line with your values and goals. Remember, it's okay to say no and make decisions that are best for you, even if your friends are doing something different.