9.Which of the following descriptions regarding disaccharide is incorrect? (A) Sucrose is α-D-glucopyranosyl(1-4) β-D-fructofuranoside (B) Sucrose is a non-reducing sugar (C) Maltose has an a(1→4) linkage (D)Cellobiose is β-D-glucopyranosyl (1→4) β-D-glucopyranose(E) Lactose is a reducing suger.