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': 'Which cranial nerve passes through diaphragm? \nSelect and explain. \nA. 6, B. 7, C. 8, D. 10', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]