California Alcoholic Beverage Control (ABC) Certification Practice Exam

The reason why the other options are incorrect is because they can potentially escalate the situation or lead to the server breaking the law. Promising a free drink may encourage the patron to continue drinking, ignoring them is rude and can lead to confrontations, and challenging the patron to prove sobriety is not the server's responsibility and may result in an aggressive response. Being courteous but firm allows the server to politely and professionally refuse service without causing further conflict.