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': 'Which of the following causes maximum bleeding- \nSelect and explain. \nA. Partial arterial severing, B. Complete arterial severing, C. Artery caught between fractured ends of bones, D. Intimal tear', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]