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': 'A 5-year-old boy while having dinner suddenly becomes aphonic and is brought to the casualty with a complaint of respiratory distress. What should be the appropriate management? \nSelect and explain. \nA. Cricothyroidotomy, B. Emergency tracheotomy, C. Humidified oxygen, D. Heimlich maneuver', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]