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: Surgery
[{'content': 'Traid of Bulgar urethral injury includes all except \nSelect and explain. \nA. Perimeal hematoma, B. Blood at external urethral meatus, C. Acute retention of urine, D. Pelvic hematoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pelvic hematoma occurs in membranous urethral injury not bulbar urethral injury.', 'role': 'assistant'}]