Freddie knows that he needs to change his diet. He has gained some weight in the past few years, and his doctor mentioned that if he continues gaining weight, he will be considered obese. His doctor mentioned looking at the national dietary guidelines to help him revise his eating habits. What kind of information will Freddie MOST LIKELY find in the national dietary guidelines?

A.
information on selecting the best quality fruit and vegetables at the grocery store

B.
information on cooking times for protein foods

C.
information on common diseases

D.
information on the appropriate calorie level for his age