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
Basal lamina is made up of clear zone and dark zone, both respectively known as: 
Select and explain. 
A. I zone, A zone., B. Lamina lucida, Lamina densa., C. Lamina densa, Lamina lucida., D. A zone, I zone.
B: Lamina lucida, Lamina densa.
Answer: B: Lamina lucida, Lamina densa. 
Explanation: None