This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Cell-matrix adhesions are mediated by \nSelect and explain. \nA. Cadherins, B. Integrins, C. Selectins, D. Calmodulin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]