Which of the following is an appropriate action to take when serving a customer who is drinking heavily?

Offering food to a customer who is drinking heavily is an appropriate action because providing food can help to slow the absorption of alcohol in the bloodstream. This can mitigate the effects of intoxication and promote a safer social environment. Food can also serve as a way to encourage responsible drinking, allowing the customer to enjoy their experience while reducing the likelihood of negative consequences associated with excessive alcohol consumption.

This approach aligns with responsible serving practices, which emphasize the importance of monitoring customers' behavior and ensuring their wellbeing. It also demonstrates care and attentiveness, which can enhance customer service and encourage a positive relationship between staff and patrons. Providing food can also encourage hydration and lower the risk of harm from alcohol-related incidents.

In contrast, serving more drinks could exacerbate the situation, allowing for continued intoxication. Allowing a customer to stay at the bar until closing without addressing their drinking behavior can lead to potential issues, both for the individual and for the establishment. Ignoring the behavior does not address the responsibility of ensuring customer safety and well-being.