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': 'Incisura terminalis is between \nSelect and explain. \nA. Tragus and crux of helix, B. Ear lobule and antihelix, C. Antihelix and external auditory meatus, D. Tragus and ear lobule', 'role': 'user'}, {'content': 'Answer: A \nExplanation: There is no cartilage between tragus and crus of the helix and an incision made in this area will not cut through the cartilage and is used for the endaural approach in surgery of external auditory canal and mastoid.', 'role': 'assistant'}]