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: Anatomy
[{'content': 'Elastic cartilage is found in - \nSelect and explain. \nA. Auditory tube, B. Nasal septum, C. Articular cartilage, D. Costal cartilage', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Auditory tube contains elastic cartilage.\nCostal cartilages, nasal cartilages (including nasal septum) and articular cartilage are hyaline cartilage.', 'role': 'assistant'}]