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 statement“The parietal layer develops gradually, becoming prominent when root formation is complete”Is 
Select and explain. 
A. FALSE, B. TRUE, C. Partially True, D. Can be completely True or False.
B: TRUE
Answer: B: TRUE 
Explanation: None