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': 'The torus mandibularis is most commonly seen in the region of: \nSelect and explain. \nA. Incisor region, B. Canine region, C. Molar region, D. Premolar region', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]