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': 'Haemorrhagic pericarditis occurs in all of the following conditions except.- \nSelect and explain. \nA. Transmural myocardial infarction., B. Dissecting aneurysm of aorta., C. Metastatic disease of pericardium., D. Constrictive pericarditis.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]