Read this excerpt from Extremely Loud and Incredibly Close. “It’s all electronic these days. Key pads. Thumbprint recognition.” “That’s so awesome.” “I like keys.” I thought for a minute, and then I got heavy, heavy boots. “Well, if people like me are a dying breed, then what’s going to happen to your business?” “We’ll become specialized,” he said, “like a typewriter shop. We’re useful now, but soon we’ll be interesting.” “Maybe you need a new business.” “I like this business.”

How does the narration shape Oskar’s characterization in this excerpt?
It reveals his entrepreneurial spirit.
It reveals his knowledge of keys.
It reveals his critical insight.
It reveals his naivete.