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': 'Acid phosphatase is associated with: \nSelect and explain. \nA. T-Lymphocyte, B. B-lymphocyte, C. Myelocyte, D. Monocytes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]