"Proton Hopping" Essentially Means That

"Proton hopping" essentially means that:

A) an individual proton "jumps" from one electronegative group to the next.
B) a free proton moves from one hydroxyl group of ionized water to the next.
C) several protons move between hydrogen bonded water molecules causing the net movement of a photon over a long distance in a short time.
D) individual protons are freer to move among and between water molecules in solution.
E) hydronium ions are freer to move among and between water molecules in solution.