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': 'Which is the only medial branch of the external carotid artery? \nSelect and explain. \nA. Superior thyroid, B. Lingual, C. Internal maxillary, D. Ascending pharyngeal', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]