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': 'All are the following are features sideroblastic except- \nSelect and explain. \nA. Microcytosis with hypochromia, B. Increased iron stores in bone marrow, C. Responds to pyridoxine therapy, D. Responds to folic acid therapy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]