All of the Following Are Characteristics of Epithelial Tissues, Except

All of the following are characteristics of epithelial tissues, except

A) they are well-supplied with blood vessels.
B) the cells are densely packed, with little space between them.
C) they all contain a basement membrane on their underside.
D) they can be composed of a single layer or multiple layers of cells.
E) their apical surface faces the outside or an internal body surface.