Of the following phosphate esters of monosaccharides,which has the most spontaneous $\Delta$ G ^$\circ$ ´ of hydrolysis?

A) $\alpha$ -D-glucose-6-phosphate
B) $\beta$ -D-glucose-6-phosphate
C) $\beta$ -D-glucose-1-phosphate
D) $\alpha$ -D-fructose-6-phosphate
E)D-glyceraldehyde-3-phosphate