第5题: [单项选择]The development of laryngeal cancer is most clearly linked to which of the following factors A. High-fat, low-fiber diet. B. Alcohol and tobacco use. C. Low socioeconomic status. D. Overuse of artificial sweeteners. 参考答案:B 答案解析:Predisposing factors for laryngeal cancer include chronic irritants such as alcohol, tobacco, and ex