An enzyme called carbonic anhydrase is found in red blood cells. The enzyme catalyzes the decomposition reaction of H2CO3 into products of H2O and CO2. How are enzymes such as carbonic anhydrase helpful to cellular processes? Group of answer choices

A. They prevent non-reactive substances from blocking the reactions.

B. They push reacting substances together.

C. They reduce the amount of time and energy needed for a reaction to occur.

D. They increase temperature to help reactions take place.