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': 'Commonest late complication of traumatic rupture of urethra is - \nSelect and explain. \nA. Diverticulum, B. Retrograde ejaculation, C. Stricture, D. Chordee', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]