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': 'Haemoglobinuria does not occur in - \nSelect and explain. \nA. CuSO4 poisoning, B. Snake bite, C. Mismatched blood transfusion, D. Thalassemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]