An Important Role of the Food Lists for Diabetes System

An important role of the Food Lists for Diabetes system of categorizing foods is to:​

A) provide food lists for people who want an exact match on all nutrients in a food category.
B) provide groupings of foods with similar carbohydrate,fat,protein,and calorie contents.
C) ​calculate the exact number of calories provided by a person's diet.
D) ​have foods available from one group to substitute for foods not liked in another group.
E) ​tell people with diabetes exactly what they can and cannot eat.