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
Cell free zone 
Select and explain. 
A. Also known as zone o HOHL, B. Contains abundant myelinated nerve fibers, C. Contains fibroblasts, D. Contains cytoplasmic process of fibroblast
D: Contains cytoplasmic process of fibroblast
Answer: D: Contains cytoplasmic process of fibroblast 
Explanation: None