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': 'Zone of Weil contains all except \nSelect and explain. \nA. Capillaries, B. Unmyelinated N. fibers, C. Fibroblasts, D. Cytoplasmic process of fibroblast', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]