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: Medicine
[{'content': "Dengue shock syndrome occurs due to \nSelect and explain. \nA. Super-imposed Bacterial infection, B. Capillary Leak, C. Addison's Crisis, D. Myocarditis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]