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': 'Which muscle has dual function as related to C.D \nSelect and explain. \nA. Masseter, B. Temporalis, C. Buccinator, D. Lateral pterygoid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]