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': 'For treatment of shock, if colloid infusion is used, the ratio at which the blood loss is compensated, is \nSelect and explain. \nA. 1:02, B. 1:01, C. 1:03, D. 1:05', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]