Disaccharides are best defined as what?
 A)Molecules added to soft drinks and other foods that are not found in nature. 
 B)Carbohydrates made by combining two smaller monosaccharides, such as glucose + fructose. 
 C)Carbohydrates made by combining many smaller sugars, such as starch. 
 D)Proteins made by combining many amino acids in a chain.