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: Radiology
[{'content': 'Mucositis heals after ___ months of radiotherapy: \nSelect and explain. \nA. 2 Months, B. 3 Months, C. 5 Months, D. 6 Months', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mucositis – Develops after “2 weeks” of radiation therapy\n\nHealing completed after “2 months” of therapy.\nLater the oral mucous membrane becomes Atrophic.', 'role': 'assistant'}]