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: Pathology
[{'content': 'Bloody pericardial effusion can be due to - \nSelect and explain. \nA. Uremic pericarditis, B. Tuberculosis pericarditis, C. Tumour infiltration, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]