This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'Diaphragmatic hernia can occur through all the following, except \nSelect and explain. \nA. Esophageal opening, B. Costoveebral triangle, C. Costal and sternal attachment of diaphragm, D. Inferior vena cava opening', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]