How Do Unsaturated Fatty Acids Differ from Saturated Fatty Acids

How do unsaturated fatty acids differ from saturated fatty acids?

A) Unsaturated fatty acids have one or more double bonds.
B) Unsaturated fatty acids have more hydrogen atoms.
C) Unsaturated fatty acids are soluble in water.
D) Unsaturated fatty acids are always solid at room temperature.
E) Unsaturated fatty acids differ in all of these ways.