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 about thrombotic thrombocytopenic purpura except ? \nSelect and explain. \nA. Microangiopathic hemolytic anemia, B. Thrombocytopenia, C. Normal complement level, D. Grossly abnoimal coagulation tests', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]