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': 'True about abdominal compartment syndrome is \nSelect and explain. \nA. Intra abdominal pressure > 15 cm H2O, B. ↓ Urine output, C. ↑ Renal blood flow, D. ↓ Venous return', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]