What Would Be the Outcome of Applying Ethylene to a Bushel

What would be the outcome of applying ethylene to a bushel of oranges?

A) Ethylene stimulates cellulase which will hydrolyze the cellulose in plant cell walls. This will cause the fruit to ripen.
B) Ethylene will initiate and maintain seed dormancy as well as bringing about the closure of the stomata.
C) Ethylene stimulates cellulase which will hydrolyze the proteins in plant cell walls. This will cause the fruit to ripen.
D) Ethylene stimulates cellulase which will hydrolyze the lipids in plant cell walls. This will cause the fruit to ripen.
E) Ethylene stimulates cell division which will cause the fruit to ripen.