How might the elasticity of demand for 'organic vegetables' differ from 'vegetables' in general?

• A. Demand for vegetables in general is more elastic because it includes more products.
• B. Demand for organic vegetables is less elastic because they are a specific product.
• C. Elasticity is the same for both markets.
• D. Demand for organic vegetables is more elastic due to the availability of non-organic substitutes.

Answer: (D)