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
[{'content': 'Vein draining to IVC is - \nSelect and explain. \nA. Left testicular vein, B. Rt. suprarenal vein, C. Lt. ovarian vein, D. Lt. suprarenal vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Veins draining into inferior vena cava\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Common iliac veins\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Renal veins\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Right gonadal vein\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Right suprarenal vein\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Inferior phrenic veins\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hepatic veins\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 3rd & 4th lumbar veins', 'role': 'assistant'}]