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: Biochemistry
The abundant glycoprotein in the basement membrane and has binding domain for both ECM and cell-surface receptor is 
Select and explain. 
A. Laminin, B. Fibronectin, C. E - cadherins, D. Tenascin
A: Laminin
Answer: A: Laminin 
Explanation: None