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
King&;s college criteria for ohotopic liver transplanation in acute liver failure (paracetamol Induced) include all of the following except - 
Select and explain. 
A. pH<7-30, B. PT>100s, C. Grade three encephalopathy, D. Serum bilimbin> 300 micromol\/L
A: pH<7-30
Answer: A: pH<7-30 
Explanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *pH is <7.3 at or beyond 24 hours following the over dose. </p>