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': 'In congenital diaphragmatic hernia all are seen except- \nSelect and explain. \nA. Common on left side, B. Abdominal distension, C. Can be detected antenatally, D. Heart beat shifted to right', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]