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: Medicine
[{'content': 'Stored blood as compared to fresh blood has- \nSelect and explain. \nA. More 2, 3 DPG, B. High extracellular K+, C. High extracellular Hb, D. Increased platelets', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]