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': 'AML transformation common in -  a) Aplastic anemia  b) MDS  c) Megakaryocytic thrombocytopenia  d) None \nSelect and explain. \nA. ab, B. bc, C. d, D. ca', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]