What does Shmuel's presence and friendship with Bruno reveal about innocence and knowledge?

• A. It shows that innocence remains unchanged by exposure to hardship.
• B. It proves that knowledge alone is enough to fix the world.
• C. It reveals that Shmuel's world is entirely separate from Bruno's understanding.
• D. It demonstrates that friendship can awaken innocence and reveal harsh truths, highlighting the tension between naivety and reality.

Answer: (D)