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
Soap bubble appearance in X-ray is seen in – 
Select and explain. 
A. Multiple cystic kidney, B. Neuroblastoma, C. Cystic lymphangiectasis, D. Meconium ileus
D: Meconium ileus
Answer: D: Meconium ileus 
Explanation: Soap bubble appearance is seen in meconium ileus due to admixture of gas with meconium.