Answer: C. polyp
Explanation: The polyp is a sac-like stage of a cnidarian, with the mouth and tentacles on top.
Glucose is broken down through a process known as Cellular Respiration. It goes through 3 parts: Glycolysis, Krebs Cycle, and the ETC (Electron transport chain)<span />
A centriole looks like wafer sticks glued together to make a round long shape.
Hope I helped!