This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
All are actions of kidney except 
Select and explain. 
A. Erythropoietin secretion, B. Regulation of 1,25-Dihydroxyvitamin D3 production, C. Glycogenesis, D. Regulation of water and electrolyte balance
C: Glycogenesis
Answer: C: Glycogenesis 
Explanation: *Excretion of metabolic waste products and foreign chemicals*Regulation of water and electrolyte balances*Regulation of body fluid osmolality and electrolyte concentrations*Regulation of aerial pressure*Regulation of acid-base balance*Regulation of erythrocyte production*Secretion, metabolism, and excretion of hormones*Gluconeogenesis