A stanza is a group of lines in a poem (I've seen from 4-8 lines) that the poet can use to establish his/her rhyme scheme and move the poem on through its story. This may not be exactly what you're looking for, but good luck.
At the end when the two main characters come together
Answer:
A
Explanation:
"The white children could tell their ages. I could not tell why I ought to be deprived of the same privilege." replace deprived and non of the others really make sense