A nurse is providing dietary teaching for a client who takes furosemide. The nurse should recommend which of the following foods as the best source of potassium?

A. Cheddar cheese is not a good source of potassium; it is high in fat and sodium, which are not beneficial for clients on diuretics. B. 2% milk has some potassium, but bananas are a much richer source. C. Bananas are an excellent source of potassium, which is important for clients taking furosemide to counteract the potassium-wasting effect of the diuretic. D. Cooked carrots contain some potassium but are not as rich in this nutrient as bananas.