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': 'Level III neck nodes are \nSelect and explain. \nA. In the sub-mental triangle, B. In the posterior triangle, C. In the midline from hyoid to suprasternal notch, D. around the middle 1/3rd of internal jugular vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]