A stained fecal smear reveals, mono nucleated flagellates with a comma-shaped posterior, and lemon-shaped mono nucleated cysts with a clear, nipplelike bleb at one end. You would name this as:
A. Trichomonas hominis
B. Chilomastix mesnili
C. Trichomonas vaginalis
D. Giardia lamblia
E. Endolimax nana