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': 'NOT a feature of Atrial Septal defect among the\nfollowing \nSelect and explain. \nA. Complications include Left Atrial hypertrophy, B. Complications due to ASD are of late onset, C. Most Common Congenital heart disease presenting in Adult age, D. Wide fixed Split in 2nd heart sound', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Left Atrial hypertrophy is never seen in ASD.', 'role': 'assistant'}]