In the excerpt from Night, which theme does the other prisoners behavior toward Eliezer's father help to convey?

from Night by Elie Wiesel

a. violene has no place in the modern world

b. despite cruel treatment, an individual's spark of humanity is never lost.

c. it is important to bear witness to crimes against humanity

d. inhumane treatment causes people to lose their cumanity.

please cite details in the chosen election to support your answer.