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: Radiology
[{'content': "Interpret the below plain Xray abdomen \nSelect and explain. \nA. Duodenal atresia, B. Annular pancreas, C. Ladd's band, D. All of the above", 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]