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': 'The best method of controlling bleeding is to \nSelect and explain. \nA. Apply a torniquet, B. Apply direct pressure to the injury, C. Compress pressure points between the injury and the heart, D. Bandage the area', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]