At Equilibrium in Solution, D-Glucose Consists of a Mixture of Its

At equilibrium in solution, D-glucose consists of a mixture of its anomers. Which statement most accurately describes the solution?

A) consists of approximately equal amounts of the $\alpha$ - and $\beta$ -anomers
B) the $\alpha$ -anomer is more stable and is slightly preferred over the $\beta$ -anomer
C) the $\beta$ -anomer predominates over the $\alpha$ -anomer by a ratio of approximately 2:1
D) straight-chain form is present in high concentration
E) none of the above