Starch and are common polysaccharide carbohydrates found in plants.
a: glycogen
b: sucrose
c: cellulose
d: fructose

The correct answer is option C. cellulose.  

The cellulose is a carbohydrate, which forms the outer layer of the plant cells. So, the cellulose is present in every cell of the plants. Due to presence in every cell, the cellulose is one of the most abundant carbohydrates of found in the plant cells. Glucose, fructose and sucrose are present in less amount as compared to the cellulose.  

i think that it is plants