Which of the Following Does NOT Explain How Grazing Can

Which of the following does NOT explain how grazing can be beneficial to a grassland?

A) Clipping off the top part allows the sun to get to the new shoots.
B) Hooves can break up soil, allowing water to penetrate.
C) Breaking up soil with hooves allows new seeds to germinate.
D) Defecation and urination from grazers adds phosphorus and nitrogen to the soil.
E) Chewing a grass down to its roots helps it rejuvenate.