The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In an adult, the spinal cord ends at the level of:   (A) Lower border of L1   (B) L2   (C) L3   (D) L4
['(A) Lower border of L1 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Lower border of L1 \n (B) L2 \n (C) L3 \n (D) L4 <> possible answers', '  In an adult, the spinal cord ends at the level of: <> context@']