This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Which of the following forms the renal angle \nSelect and explain. \nA. Lower border of 11th rib and medial border of erector spinae, B. Lower border of 12th rib and medial border of erector spinae, C. Lower border of 11th rib and lateral border of erector spinae, D. Lower border of 12th rib and lateral border of erector spinae', 'role': 'user'}, {'content': "Answer: D \nExplanation: The renal angle is formed by the lower border of the 12th rib and the lateral border of erector spinae. The lower pole of the kidney occupies this angle. Tenderness in this angle is usually suggestive of infection in and around the kidney or renal stones. Ref:: Gray's Anatomy 41st edition Pgno: 1046", 'role': 'assistant'}]