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: Surgery
[{'content': 'Extralobar bronchogenic cysts may communicate with the following except - \nSelect and explain. \nA. Oesophagus, B. Stomach, C. Bronchus, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]