Which Feature Is Characteristic of the Endometrium's Basal Layer but Not

Which feature is characteristic of the endometrium's basal layer but not of its functional layer?

A) Includes the uterine surface epithelium
B) Includes connective tissue
C) Contains cells that replace the surface epithelium after menstruation
D) Relies solely on spiral arteries for its blood supply
E) Undergoes cyclic thickening and shedding