After a stimulus results in initial depolarization of a region of cell membrane of a neuron:

After a stimulus results in initial depolarization of a region of cell membrane of a neuron, a threshold voltage is reached. ... -Voltage-gated sodium and potassium channels quickly close, and recovery begins. A large number of voltage-gated sodium channels quickly open, causing a rapid change in membrane potential.

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.