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: Pharmacology
[{'content': 'The nucleus ambiguus is shared by all of the following cranial nerves except ( NOT RELATED TO PHARMACOLOGY) \nSelect and explain. \nA. IX, B. X, C. XI, D. XII', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]