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
The most common cause of Pulmonary thromboembolism 
Select and explain. 
A. DIC, B. DVT, C. Coagulaon Disorder, D. Venous Hypertension
B: DVT
Answer: B: DVT 
Explanation: The most common cause of pulmonary thromboembolism is deep venous thrombosis.