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': 'Vonebners salivary gland ducts open into: \nSelect and explain. \nA. Fungiform papillae., B. Filiform papillae., C. Circumvalate papillae., D. Foliate papillae.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]