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': 'Soap bubble appearance in X-ray is seen in – \nSelect and explain. \nA. Multiple cystic kidney, B. Neuroblastoma, C. Cystic lymphangiectasis, D. Meconium ileus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Soap bubble appearance is seen in meconium ileus due to admixture of gas with meconium.', 'role': 'assistant'}]