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
[{'content': 'Lamina densa of the basal lamina beneath the epithelium is composed of \nSelect and explain. \nA. Type I Collagen, B. Type II Collagen, C. Type III Collagen, D. Type IV Collagen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]