This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Following a surgical procedure on the right side of the neck, a patient can no longer raise his right arm above the horizontal position.The patient also cannot shrug his right shoulder. Which of the following nerves was injured? \nSelect and explain. \nA. Axillary nerve, B. Great auricular nerve, C. Greater occipital nerve, D. Spinal accessory nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Supplies Trapezius and sternocleidomastoid', 'role': 'assistant'}]