Which statement best evaluates the claim that bread and potatoes are a good source of protein for a typical human diet?

• A. True; bread and potatoes are among the highest-protein foods because they contain complete proteins with all essential amino acids in high amounts.
• B. False; bread and potatoes contain no protein at all and therefore cannot contribute any dietary amino acids.
• C. True; bread and potatoes are classified as protein foods because most of their calories come from protein.
• D. False; bread and potatoes are primarily carbohydrate-rich foods and generally provide less protein per serving than protein-rich foods such as legumes, meat, eggs, or dairy.

Answer: (D)