This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Pediatrics
[{'content': 'Late complication of diphtheria: \nSelect and explain. \nA. Airway obstruction, B. Encephalitis, C. Pneumonia, D. Neuropathy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Late Complications of diphtheria Cardiac Neurologic Myocarditis Congestive cardiac failure Arrhythmias Palatal paralysis - nasal quality in voice, difficulty in swallowing & risk of aspiration (2 weeks) Ocular palsy (3 weeks) Symmetric polyneuropathy (10 days- 3 months)', 'role': 'assistant'}]