Answer: b:carbohydrate
The sugar fructose is a macro molecule belonging to the type carbohydrate.
Explanation:
Macro molecules are made up of smaller bio molecules and are necessary to support life. Thus macromolecules are polymers. Carbohydrate, proteins, fats and nucleic acids are the four important types of macromolecules.
Elements like carbon, hydrogen, oxygen , nitrogen etc are present in macromolecules. It is through covalent bonds that the monomers of macromolecules combine to form macromolecules.
Sugars like fructose, glucose, gallactose, lactose etc are examples of carbohydrates. DNA and RNA are examples of nucleic acids.