Final answer:
The correct answer is Malbec. The three main grapes used to create Champagne are Pinot Noir, Pinot Meunier, and Chardonnay.
Step-by-step explanation:
The correct answer is c. Malbec. Malbec is not one of the three main grapes used to create Champagne. The three main grapes are Pinot Noir, Pinot Meunier, and Chardonnay. Pinot Noir and Pinot Meunier are black grapes, while Chardonnay is a white grape. These grapes are carefully selected and blended to create the unique taste and character of Champagne.