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: ENT
[{'content': "Not True about Pinna of the Ear \nSelect and explain. \nA. Develops from HILLOCK's of HIS, B. Tragus formed from 1st Hillock, C. Costal Rib Cartilage used as graft in treatment of Anotia, D. Reconstruction of pinna in Anotia is done as soon as possible within 1 year of age", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Reconstruction of pinna done at 6 years of age.', 'role': 'assistant'}]