This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pulmonary Thromboembolism and Deep-Vein Thrombosis, Subject name: Medicine
[{'content': 'The most common cause of Pulmonary thromboembolism - \nSelect and explain. \nA. DIC, B. Coagulation Disorder, C. DVT, D. Venous Hypertension', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., DVT o The most common cause of pulmonary thromboembolism is deep venous thrombosis.", 'role': 'assistant'}]