Which sentence in this excerpt from "Behold the Brooklyn Bridge" best shows the narrator's young and naïve perspective?

We weren't quite sure what it all meant, except that for now, my sister Rachel and I were putting on our finest dresses and the shoes Mother had polished twice.

Explanation:

With this quote from the passage, it shows that they don't really know what is happening around them, things are happening and they are kind of just, "going with the flow" in a sense. They don't understand why they are getting all dressed up, they don't even know what the celebration was about.