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': 'Ascending pharyngeal artery is a branch of \nSelect and explain. \nA. Middle branch of ECA., B. Medial branch of ECA., C. Terminal branch of ECA., D. Anterior branch of ECA.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]