Worth 25
 While it’s strange but true, white wine is often made from red grapes. In making wine, the grapes are crushed and placed in a large tank. If the skins of the grapes remain in contact with the juice during this step, red wine results. _____, if the winemaker separates the skins from the juice, then white wine is made. 
 A. after
 B. instance
 C. lastly
 D. on the other hand