A tissue has the following characteristics: free surface, single layer of cells, cells are narrow and tall, microvilli, many mitochondria, goblet cells. which of the following is most cnosistent with those observations?1) active transport .2) epithelium .3) simple epithelium.4) columnar epithelium.5) cuboidal epithelium.6) squamous epithelium.7) secretion by exocytosis.8) movement of mucous across its surface. A. 1, 2, 3, 4, 7.B. 1, 2, 3, 5,7.C. 1,2, 3, 4, 8.D. 2, 3, 4, 8.E. 2, 3, 4,7.