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: Surgery
[{'content': 'An evidence that splenectomy might benefit a patient with idiopathic thrombocytopenic purpura includes which of the following: \nSelect and explain. \nA. A significant enlargement of the spleen, B. A high reticulocyte count, C. Patients age less than five years, D. An increase in platelet count on corticosteroid therapy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]