Dark,intensely Stained,membrane-Bound Secretory Granules Are Visible in Electron Micrographs of the Cytoplasm

Dark,intensely stained,membrane-bound secretory granules are visible in electron micrographs of the cytoplasm of which cell type?

A) Cells of the zona fasciculata of the adrenal cortex
B) Follicle cells of the thyroid gland
C) Norepinephrine-containing chromaffin cells of the adrenal medulla
D) Oxyphil cells of the parathyroid gland
E) Pituicytes of the posterior pituitary gland