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
Paraplegia involves; 
Select and explain. 
A. Both the upper limb., B. Both the lower limb ., C. One upper and lower limb., D. Any of the above.
B: Both the lower limb .
Answer: B: Both the lower limb . 
Explanation: Paraplegia is due to impairment in motor or sensory function of the lower extremities.