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': 'A 45 - year old cirrhotic patient presented with severe haematemesis. The management of choice is - \nSelect and explain. \nA. Whole blood transfusion is the best, B. Colloids are preferred over crystalloids, C. Normal saline infusion, D. IV fluid with diuretics', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]