This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Chronic desquamative gingivitis most often affects \nSelect and explain. \nA. Women compared to men, B. Men compared to women, C. Children compared to adults, D. Infants compared to adults', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]