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': 'Paraplegia involves; \nSelect and explain. \nA. Both the upper limb., B. Both the lower limb ., C. One upper and lower limb., D. Any of the above.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Paraplegia is due to impairment in motor or sensory function of the lower extremities.', 'role': 'assistant'}]