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
[{'content': "True for Hodgkin's stage IA is - \nSelect and explain. \nA. Chemotherapy is best, B. Radiotherapy is best, C. Total radiation therapy is best treatment, D. Fever and wt loss is always present", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]