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': 'Bilateral loss of sensation below a definite level of spinal cord is \nSelect and explain. \nA. Myelopathy, B. Myopathy, C. Neuropathy, D. Nephropathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]