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: Anaesthesia
[{'content': 'Both Oral and Nasal intubation are C/I \nSelect and explain. \nA. Laryngeal endema, B. CSF - Rhinorrhoea, C. Comastose patient, D. Acute Tracheo - Laryngo - bronchitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Acute Tracheo - Laryngo - bronchitis', 'role': 'assistant'}]