In Making Beer,barley Is Partially Fermented to Produce Malt

Multiple Choice

In making beer,barley is partially fermented to produce malt.Barley is not sweet,but the malt is.What is the best explanation for this observation?

A) Fermentation allows the barley to make simple sugars from sunlight and carbon dioxide
B) Fermentation releases sugars stored in organelles in the barley
C) Fermentation causes the starch in the barley to taste sweet
D) The fermentation breaks starch in the barley down into simple sugars in the malt
E) Fermentation breaks down the simple sugars in the barley