Answer: A.) Monosaccharides
Explanation:
Monosaccharides are the building blocks of complex carbohydrates. Monosaccharides are simple sugars containing only one sugar molecule. Examples of Monosaccharides are glucose, fructose, mannose. Monosaccharides are joined covalently by a glycosidic bond to form polymers known as polysaccharide. For example, starch is a complex carbohydrate made up of many glucose units.
