How many calories are the basis for the calculation of the percent daily values?
a. 1,500
b. 1,750
c. 2,000
d. 2,500

The answer is letter C.

The Food and Drug Administration (FDA) based a percent daily value (% DV) on a 2,000 calorie diet. This is commonly found in Dietary Supplements and nutrients list that are regulated through the Recommended Dietary Allowance. However, this excludes people who are older, children who are below four years old, and women who are pregnant and lactating. The 2,000-calorie diet includes necessary nutrients that the body needs like, carbohydrates, proteins, iron, sugar, fat, among others. 

Ithink it's choice d (antibiotic resistance)