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': 'Acute urinary retention in a male child may be due to \nSelect and explain. \nA. Prostatic radiotherapy, B. Urethral stricute, C. Hysteria, D. Meatal ulcer with scabbing', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Acute urinary retention in a male child may be due to local inflammatory causes like meatal ulcer with scabbing.', 'role': 'assistant'}]