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: Pathology
[{'content': 'Which is not seen in Hemolytic uremic syndrome - \nSelect and explain. \nA. Coombs test positive, B. Thrombocytopenia, C. Hypofibrinogenemia, D. Uremia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]