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: Anatomy
[{'content': 'Mandibular nerve supplies: \nSelect and explain. \nA. Anterior belly of digastric, mylohyoid, tensor tympani, tensor palati, B. Posterior belly of digastric, mylohyoid, C. Stapes, malleus, incus, D. Anterior belly of digastric, stapes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]