You observe a tissue that has cells of varying heights. At first glance, it appears that the tissue has multiple cell layers, but upon closer investigation you see that all of the cells attach to the same basement membrane. What classification would you give to this epithelial tissue?

• A. transitional epithelium
• B. simple cuboidal epithelium
• C. stratified columnar epithelium
• D. pseudostratified columnar epithelium
• E. stratified squamous epithelium