Which of the Following Is a Difference Between Glucose and Fructose

Which of the following is a difference between glucose and fructose?

A) Glucose is a monosaccharide, whereas fructose is a disaccharide.
B) Glucose is a sugar, whereas fructose is an amino acid.
C) Glucose is the most common monosaccharide, whereas fructose is rarely found in nature.
D) Glucose creates appetite-regulating signals by triggering the release of insulin, whereas fructose does not affect appetite in this way.
E) Glucose cannot enter the brain and does not raise blood insulin, whereas fructose can enter the brain and raise blood insulin.