Which statement best describes the difference between a change in quantity supplied and a change in supply?

• A. Both changes are due to a change in price.
• B. Both changes are due to other factors.
• C. A change in supply is due to a change in price, while a change in quantity supplied is due to other factors.
• D. A change in quantity supplied is due to a change in price, while a change in supply is due to other factors.