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A
Speaking clearly
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B
Slurred speech, impaired balance, or bloodshot eyes
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C
Ordering food
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D
Paying with a card
Why this is the answer
Common visible signs of intoxication include slurred speech, impaired balance or stumbling, bloodshot or glassy eyes, slowed or clumsy movements, and difficulty with tasks like counting money or lighting a cigarette. Behavioral changes such as becoming loud, argumentative, overly friendly, or unusually quiet can also signal intoxication. Servers are trained to watch for these cues throughout a customer's visit, because recognizing intoxication early allows them to slow or stop service before the person becomes a danger to themselves or others.
Source: Responsible Beverage Service — Signs of Intoxication