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': 'After incision and drainage of an abscess the infectious process has failed to regress inspite of the patient being on high doses of an antibiotic. It would be wise to: \nSelect and explain. \nA. Insert a large drain, B. Repeat culture and sensitivity tests, C. Debride and irrigate the area with a fibrinolytic agent, D. Begin the parenteral administration of proteolytic enzymes to augment the antibiotics', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]