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': 'In a patient recovering from peritonitis, which of the following would be the most characteristic sign of pelvic abscess? \nSelect and explain. \nA. Tachycardia, B. Fever and abdominal pain, C. Mucus in stool for first time, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]