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: Unknown
[{'content': 'A neonate with respiratory distress and the following chest X ray most likely has: \nSelect and explain. \nA. Cystic fibrosis, B. CLE, C. CCAM, D. Pneumonia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]