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': 'AML with gum infiltration and hepatosplenomegaly is most probably: \nSelect and explain. \nA. ALL, B. M3, C. M2, D. M4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: . M4', 'role': 'assistant'}]