Which describes a way in which phosphorus may enter into the phosphorus cycle?

After a thorough research, there exists the same question that has the following choices:

A. Earthquakes release phosphorus.

B. Phosphorus is carried in the rain that was evaporated from lakes.

C. Human use of fertilizers release phosphorus into the groundwater.

D. Phosphorus is transpired.

The correct answer is letter C. Human use of fertilizers release phosphorus into the groundwater.