Arden's doctor has mentioned that her iron levels appear to be a little bit low. what foods should arden incorporate into her diet? nuts, red meat, and legumes whole wheat bread, brown rice, and white potatoes poultry, eggs, and bananas salmon, citrus, and raisins

How is the central idea developed further? (a) the author elaborates on the treatments for allergies in adults and how they work. (b) the author quotes the reactions of experts and the methods used to conduct the study. (c) the author compares the different rates of food allergies shown in children and adults. (d) the author indicates the limitations of the study because of differences in health care.