Which Statement Explains Why Whole Blood Has Characteristics of a Solution

Multiple Choice

Which statement explains why whole blood has characteristics of a solution, a colloid, and a suspension?

A) Whole blood separates upon centrifugation.
B) Whole blood contains many different particles that don't settle out upon standing.
C) Whole blood contains many soluble molecules.
D) Whole blood contains particles that range in size and solubility.
E) Actually, whole blood is only a suspension because it contains red blood cells.