Which of the following statements describe the basement membrane?
1. Is a thickening of the basal surface of adjacent epithelial cells.
2. Is found between an epithelial tissue and a connective tissue.
3. Forms a surface along which connective tissue cells migrate during wound healing.
4. Restricts passage of larger molecules and participates in filtration of blood in the kidneys.

A. 1 & 2
B. 1 & 3
C. 1 & 4
D. 2 & 3
E. 2 & 4