The correct statements among the following are
A) The minimum number of carbon atoms present in a monosaccharide is 6
B) Among glucose, Lactose, Maltose and Sucrose,non reducing sugar is sucrose
C) In amylopectin of starch, branched chain are due to 1,4 - linkages
D) In cellulose, β - D - glucose units are joined by 1,4 - glycosidic linkages