The correct option is B.
The two types of organic materials that provide energy for the body use is carbohydrate and fat, but the major source preferred by the body is carbohydrate in form of glucose. There are different types of carbohydrate and polysaccharide is one of them. Polysaccharides are made up of many glucose units, which are linked together. Breaking the chemical bond in a polysacharride result in the release of glucose, which provide energy for the body use.