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': 'Posterior wall of inguinal canal formed by all, except: \nSelect and explain. \nA. Interfoveolar ligament, B. Parietal peritoneum, C. Fascia transversalis, D. Internal oblique', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Internal oblique', 'role': 'assistant'}]