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: Pathology
[{'content': 'Primary herpetic Lesions involving the gingiva are most\nlikely to occur during ages: \nSelect and explain. \nA. 1-5 years, B. 6-12 years, C. 13-16 years, D. They are Likely to occur equally at any age', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]