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
ABO incompatibility leads to 
Select and explain. 
A. Hyperacute rejection, B. Acute rejection, C. Chronic rejection, D. None of the above
A: Hyperacute rejection
Answer: A: Hyperacute rejection 
Explanation: ABO will cause hyperacute rejection.