This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
[{'content': 'King&;s college criteria for ohotopic liver transplanation in acute liver failure (paracetamol Induced) include all of the following except - \nSelect and explain. \nA. pH<7-30, B. PT>100s, C. Grade three encephalopathy, D. Serum bilimbin> 300 micromol\\/L', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *pH is <7.3 at or beyond 24 hours following the over dose. </p>', 'role': 'assistant'}]