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': 'Commando operation describes \nSelect and explain. \nA. Maxillectomy, Neck Dissection, Omohyoid muscle removal, B. Mandibulectomy, Neck Dissection, Omohyoid muscle removal, C. Mandibulectomy, Neck dissection, Oropharyngeal resection, D. Ombined maxillectomy and mandibulectomy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]