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
The intermediate filaments of epithelium are 
Select and explain. 
A. Glial filaments, B. Desmin, C. Vimentin, D. Cytokeratin
D: Cytokeratin
Answer: D: Cytokeratin 
Explanation: None