Which among the following is incorrect about different saccharides?

• A. Polysaccharides are used to store food whereas most of the monosaccharides are used for instantaneous energy
• B. Most of the polysaccharides are sweet in taste and therefore are also called sugars
• C. Starch can be digested whereas cellulose can t be digested
• D. Saccharides are also classified as ketose and aldose