During the Process of Digestion, Fats Are Broken Down When

During the process of digestion, fats are broken down when fatty acids are detached from glycerol. In addition, proteins are digested to yield amino acids. What do these two processes have in common?

A) They are catalyzed by the same enzyme.
B) Both occur intracellularly in most organisms.
C) They involve the addition of a water molecule to break bonds (hydrolysis) .
D) Both require the presence of hydrochloric acid to lower the pH.
E) Each requires ATP as an energy source.