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.

Which evidence does the author use to support the argument that people can improve their health by making small changes to their diets?


A- an expert quotation


B- scientific facts


C- an anecdote


D- historical information