The following mechanism correspond to: A. The base-catalyzed reaction of 2-butanone with ethylene glycol
(HOCH_(2)CH_(2)OH)B. The acid-catalyzed reaction of 2-butanone with ethylene glycol
(HOCH_(2)CH_(2)OH)C. The base-catalyzed hydration of 2-butanone D. The acid-catalyzed hydration of 2-butanone