The answer is D. The Glycemic Index
Glycemic Index (GI) is a number associated with a certain type of food that indicates its effect on one's blood sugar levels
the Foods' Glycemic index are categorized into 3 :
- Low GI , that have 55 GI or low
- medium GI , that ranged between 56 - 69 GI
- High GI , that have 70 GI or higher
Foods with higher GI spike more blood sugar levels