Which of the Following Monosaccharide(s) Are Produced When Glycogen Is $\alpha$

Which of the following monosaccharide(s) are produced when glycogen is completely hydrolyzed?

A) $\alpha$ -D-glucose
B) $\beta$ -D-glucose
C) $\alpha$ -D-galactose
D) $\beta$ -D-fructose
E) maltose