Is it possible for heptane-3,5-dione to undergo intramolecular aldol addition? Why or why not?

• A. Yes, it will undergo an intramolecular aldol addition because it will create a stable ring structure.
• B. No, it will not undergo an intramolecular aldol addition because it will create a stable ring structure.
• C. Yes, it will undergo an intramolecular aldol addition because it will create a stable six-membered ring.
• D. No, it will not undergo an intramolecular aldol addition because it will lead to a strained four-membered ring.

Answer: (D)