Which statementsare correct?
A. Lactose is a disaccharide and is a reducing sugar.
B. `alpha`-D-glucopyranoside and `beta` - D-glucopyranose are anomers.
C. Methyl `-alpha`-D-glucopyranoside has an acetal structure and is a non-reducing sugar.
D. `alpha`-D-Glucopyranose has a hemiacetal structure ans is a reducing sugar.
