After her prenatal appointment, Monica went to eat lunch at the hospital cafeteria. Which of the following menu items should she select in order to meet her goal of reducing the risk of listeriosis, but still eat a healthful lunch?

a. bowl of fresh with melons, grapes, and berries and a slice of cheddar cheese
b. ham and Brie cheese sandwich on whole-wheat bread
c. turkey burger with Swiss cheese and tomatoes on a whole-wheat bun
d. spinach salad with chopped cucumbers, celery, tomatoes, sprouts, and sunflower seeds