Which Statement Describes an Association Between Protein Intake and Kidney

Which statement describes an association between protein intake and kidney function?

A) Low-protein diets increase the risk for kidney stone formation.
B) Restricting protein intake may slow the progression of kidney disease.
C) High protein intakes over the long term represent a risk factor for kidney disease.
D) Liberal protein intakes result in high urea production, which increases the long-term efficiency of the kidneys.
E) High protein diets in childhood protect the kidneys from age- and illness-associated damage.