【正确答案】 D

【答案解析】此题为细节题。第2段第1句At American restaurants and coffee shops，you are usually served tap water before you order说在美国的餐厅和咖啡馆里用餐，招待员通常会在你点菜前送上—杯白水，已经做出提示，故D为正确答案。