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: Radiology
[{'content': 'Tripple bubble sign is seen in \nSelect and explain. \nA. CHPS, B. Duodenal atresia, C. Jejunal atresia, D. Ileal atresia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: CHPS\xa0- Single bubble sign\nDuodenal atresia - Double bubble sign\nJejunal atresia - Triple bubble sign\nIleal atresia - Multiple bubble sign.', 'role': 'assistant'}]