Carrots are going to be the best choice here. They are rich in vitamin A, which is an awesome powerful amazingly magnificent super hero nutrient! =D
I believe that C. The author uses comparison and contrast to organize ideas. is the answer that you are looking for, I hope this helps!
If the patient doesn't get good care the ratings go down and some insurance won't pay claim
If there is an option for Vitamin B12 then that will be your answer.