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': 'Which of the following is true about CLL treatment- \nSelect and explain. \nA. Should be offered to all patients, B. Can be withheld in asymptomatic patients, C. Is curative, D. Combination chemoradiotherapy should be given in patients above 50 years age', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]