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: Pediatrics
[{'content': "Oesophageal atresia may occur as a part of VACTER group of anomalies. What does 'TB' stand for ? \nSelect and explain. \nA. Tetralogy of Fallot, B. Thoracic empyema, C. Tracheo–oesophageal fistula, D. Talipes equinovarus", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]