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: Orthopaedics
[{'content': 'Return of ulbocavernous reflex in spinal shock - \nSelect and explain. \nA. Sign of recovery from spinal shock, B. Partial lesion of spinal cord, C. Complete transection of spinal cord, D. Incomplete transection of spinal cord', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The earliest indicator of resolution is the return of bulocavernous reflex.', 'role': 'assistant'}]