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: Pathology
[{'content': 'CLL is characterised by: \nSelect and explain. \nA. Small lymphocytes in peripheral smear, B. Seen commonly in age>50 yrs persons, C. Hepato splenomegaly seen, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the above', 'role': 'assistant'}]