This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'Common cause of chronic pancreatitis \nSelect and explain. \nA. Chronic alcohol, B. Chronic pancreatic calculi, C. pancreas divisum, D. Gall bladder stones', 'role': 'user'}, {'content': 'Answer: A \nExplanation: "Worldwide, alcohol consumption and abuse is associated with chronic pancreatitis in up to 70% of cases "- REF : BAIELY AND LOVE 37TH ED', 'role': 'assistant'}]