Read the excerpt from "Healthy Eating."

"I was taking all these pills like an old woman," said Naar, a neonatology nurse at Baptist Hospital. "My blood pressure is hereditary, but I added to it by adding the pounds and eating horribly every day.". . .

A nutritionist took her shopping and introduced her to the joys of cauliflower. She upped her workouts, stopped eating hamburgers three times a week and scaled back on the Cold Stone pistachio ice cream.

Today, Naar is 20 pounds lighter and down to two pills a day.

How does the author develop her argument in this part of the article?
a

She provides facts to show how helpful medication and exercise can be for someone who wants to live a healthier lifestyle.
b

She uses expert quotations to show that making small changes to one's diet takes a lot of time and determination.
c

She gives several reasons why people need to make changes to their eating habits and exercise routines.
d

She shares an anecdote to show that people can drastically improve their health by making small changes to their diets.