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': 'The most common intraperitoneal abscess following peritonitis is \nSelect and explain. \nA. Subphrenic, B. Pelvic, C. Paracolic, D. Interloop', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]