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
Dental papilla gives rise to 
Select and explain. 
A. Pulp only, B. Pulp & Dentin, C. Pulp & periodontal ligament, D. All of the above
B: Pulp & Dentin
Answer: B: Pulp & Dentin 
Explanation: The cells of dental papilla will form pulp and dentin and the cells of dental sac will form cementum and periodontal ligament.