(A).me is the answer of this question.Because I got full meaning by keeping this option.
C. It demonstrates how miserable she felt.
Zitkala-Sa was put through many tortures, based on this excerpt. It is clear that she was taken away from her mother young, and that her captors did terrible things to her like tie her to a chair and cut off one of her braids. If she was treated like this, it serves as an example for how the rest of her people were probably also treated.
A collective fear can lead to irrational actions and violation of rights. This is the theme common with The Crucible and the World War II. An example is when Japanese Americans were imprisoned without enough evidences. The war has the highest number of casualties making it the deadliest among other wars.
I think its direct address because he is speaking to someone directly. Hope this helps! :)