GKFix MCQ Question

Which of the following is a correct representation of fructose's open-chain structure?

• A. CHO–CHOH–CHOH–CHOH–CHOH–CH2OH
• B. CH2OH–CO–CHOH–CHOH–CHOH–CH2OH
• C. COOH–CHOH–CHOH–CHOH–CHOH–CH2OH
• D. CH3–CO–CHOH–CHOH–CHOH–CH2OH