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': 'Maintenance of airway during laryngectomy in a patient with carcinoma of the larynx is best done by - \nSelect and explain. \nA. Tracheostomy, B. Laryngeal mask airway, C. Laryngeal tube, D. Combitube', 'role': 'user'}, {'content': 'Answer: A \nExplanation: During laryngectomy, airway of a patient is maintained by tracheostomy', 'role': 'assistant'}]