This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
Which of the following drug is not the definite cause of acute pancreatitis? 
Select and explain. 
A. Azathioprine, B. Pentamidine, C. Metronidazole, D. L-asparaginase
D: L-asparaginase
Answer: D: L-asparaginase 
Explanation: L - Asparaginase is probable cause of acute pancreatitis. Definite cause (MAD CAT PET TV FM) Probable cause (PILAAS) 6- mercaptopurine Phenformin Azathioprine, dideoxy-inosine. Procainamide Cytosine arabinoside isoniazid 5- aminosalicylate, tetracycline pentamidine L - asparaginase Estrogens, trimethoprim, Acetaminophen Sulfamethoxazole,thiazide, valproic acid Alpha-methyl dopa Furosemide, metronidazole Sulindac