This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': "A patient with VSD develops pulmonary hypeension, the characterstic feature will be \nSelect and explain. \nA. ESM in pulmonary area, B. Cyanosis, C. Inveed 'T' wave in ECG, D. Clubbing", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pulmonary hypeension in VSD lead to cyanosis. Ref : Ghai essential of pediatrics, eighth edition, p.no: 417', 'role': 'assistant'}]