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': 'ABO incompatibility leads to \nSelect and explain. \nA. Hyperacute rejection, B. Acute rejection, C. Chronic rejection, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ABO will cause hyperacute rejection.', 'role': 'assistant'}]