Answer:
A. Sulfites occur naturally in most wine.
Explanation:
Sulfites also know as Sulfur dioxide is a preservative and an antioxidant that is found in to be present naturally in most fermented foods, eggs, e.t.c.
Sulfites are produced naturally in wine as a by-product of the fermentation process which helps prevent the growth of spoilage yeast and bacteria in wine.
The sulfites produced naturally in wine is present in small amounts.