Which of the Following Statements Is True

Which of the following statements is true?

A) In the United States,molds and protozoa are responsible for most cases of food-borne illness.
B) Pregnant women,very young children,and people who have weakened immune systems have high risk of food-borne illness.
C) Sulfites are added to grain products during the enrichment process.
D) In the United States,most fruits,vegetables,mushrooms,and deli meats undergo irradiation to preserve them.