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: Pathology
[{'content': 'Type of collagen predominant in basement membrane: \nSelect and explain. \nA. Type I, B. Type II, C. Type III, D. Type IV', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In the basement membrane, polymers of laminin and collagen type IV form tightly bound networks. Ref: Robbins 8th edition Chapter 3.', 'role': 'assistant'}]