Predict the outcome of D-glucose cyclization and justify your answer based on the orientation of the alcohol group's attack.

• A. The outcome is random and cannot be predicted.
• B. The outcome is always beta due to the structure of D-glucose.
• C. The outcome depends on the direction of attack by the alcohol group, forming either alpha or beta anomers.
• D. The outcome is always alpha due to the structure of D-glucose.

Answer: (C)