What Does the Nutrition Facts Label Tell You About the Vitamin

What does the Nutrition Facts label tell you about the vitamin C content of this cereal?​

A) The main source of vitamin C is the whole-grain wheat in the cereal.
B) Vitamin C has been added to the cereal because whole grains are low in vitamin C.
C) ​A natural form of vitamin C has been added to the cereal.
D) ​The source of vitamin C is the added milk.
E) ​The source of vitamin C is ascorbic acid,which was added to improve taste.