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 true of long standing sickle cell anemia except- \nSelect and explain. \nA. Nonnocytic nonnochromic anemia, B. Recurrent jaundice, C. Cholelithiasis, D. Massive splenomegaly', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]