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': 'Features of hypovolemic shock are all except - \nSelect and explain. \nA. Oliguria, B. Bradycardia, C. Low B.P, D. Acidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]