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: Anatomy
In an adult, the spinal cord ends at: 
Select and explain. 
A. T12-L1, B. L1-L2, C. L3-L4, D. Si-S2
B: L1-L2
Answer: B: L1-L2 
Explanation: B i.e. Li - L2