Which of the following most likely states the author’s purpose for writing the text

Part A:

The author is a health–conscious adult who wants to inform himself and readers about the health benefits of whole grains.

Part B:

Carbohydrates have earned themselves a negative reputation in recent years because they have been closely associated with sugar, which actually has no health benefits.  In fact, most Americans consume 20 teaspoons of extra sugar per day, which has been proven to lead to diabetes, obesity, cancer, and heart disease.

Explanation:

If this question is from "Get Your Whole Grains " then these are the answers for that question. Good luck :)