Answer is: A. be digested and absorbed quickly.
Starch (carbohydrate) is a polymeric carbohydrate consisting of a large number of glucose units bonded by glycosidic bond.
Starch is a white, tasteless and odorless powder that is insoluble in cold water or alcohol.
Food rich in carbohydrates has high energy content, because human body can digest it very fast.
Some fruits have a lot of cellulose (also carbohydrate) and fiber, so human body cannot digest it or digest it very slowly.