Which of the following solutions is an example of a buffer solution?

A$)$ A solution of sodium chloride $($NaCl$)$ and water

B$)$ A solution of hydrochloric acid $($HCl$)$ and water

C$)$ A solution of acetic acid $($CH$$COOH$)$ and sodium acetate $($CH$$COONa$)$

D$)$ A solution of sulfuric acid $($H$$SO$)$ and water. Don't use chat gpt$.$