B.

Chaptalization is the addition of adding cane or beet sugar to the wine before or during fermentation in order to increase the total amount of sugar available to the yeasts, thus raising the alcohol content of the wine. Chaptalized wines are not more sweet. Chaptalization is legal for some types of wine in some northern European regions where, historically, cool years led to grapes that weren’t fully ripe. By chaptalizing, the winemaker could give a thinnish wine more body.