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: ENT
[{'content': 'Stapedius muscle is \nSelect and explain. \nA. Unipennate muscle, B. Asymmetric Bipennete, C. Symmetric Bipennete, D. Muscle of Neck region', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]