Answer: D. Reality can be inexplicably cruel and unfair.
In this excerpt, Wiesel describes the feeling of giving up. He tells us that his last resistance was broken, and that he let himself be carried through horrible events without any feeling or sensation. The image similarly describes a horrible reality by showing the abuse and fear that the Jewish people faced. Both of these support the theme that reality can be inexplicably cruel and fair, as the characters are being led through horrible events with no explanation.