What is the significance of the prisoners cleaning their barracks just one hour before evacuation? A.

a
It was yet another cruel insult they felt from God.
b
The kapo in charge of their barracks was unusually cruel and ruthless.
c
Even in their darkest moments, the prisoners attempt to assert their humanity.
d
The prisoners wanted to hide the evidence.

C. Even in their darkest moments, the prisoners attempt to assert their humanity.