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': 'Bone marrow transplantation as a treatment modality can be advised in all of the following cases which are newly diagnosed except - \nSelect and explain. \nA. Combined immunodeficiency, B. CML, C. Aplastic anemia, D. ALL', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]