The answer to your question is letter B, Alliteration.
Explanation:
So to start, we should know that <u>alliteration is a writing technique that relies on how words sound in relation to each other</u>. Because of this, you see the same letter or sounds at the beginning of adjacent or closely connected words.
As an example we can see the poem "I Hear America Singing" from Walt Whitmant. In it, the autor includes the word singing 11 times in the 11 times on the poem. This is an example of alliterarion and the answer to this.
It's been a while since I've read the book and I don't really a lot of the context, so just from this passage I would say it says he notices nice houses and other people's wealth and maybe envies them a little bit. (although you don't get that explicitly from this passage.)