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': 'Common carotid artery is palpable at \nSelect and explain. \nA. Upper border of thyroid cartilage, B. Upper border of cricoid cartilage, C. At hyoid bone, D. Lower border of cricoid cartilage', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]