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: Dental
[{'content': "Cellular cementum and compact bone contain \nSelect and explain. \nA. Sharpey's fibres and elastic fibres, B. Collagen fibres and blood vessels, C. Canaliculi and incremental lines, D. Lacunae and elastic fibres", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]