Which Statement BEST Describes the Meaning of "Saturated" as It

Which statement BEST describes the meaning of "saturated" as it relates to fatty acids?

A) Saturated means that the fatty acid is hydrated.
B) Saturated means that the fatty acid is dissolved in water.
C) Saturated means that the fatty acid is bent or kinked.
D) Saturated means that the fatty acid has many carboxylic acids.
E) Saturated means that the fatty acid has the maximum number of hydrogens possible.