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
[{'content': 'Best suture for common bile duct is - \nSelect and explain. \nA. Synthetic absorbable synthetic, B. Synthetic non-absorbable, C. Non-synthetic absorbable, D. Non-synthetic non-absorbable', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Non-synthetic absorbable", 'role': 'assistant'}]