How did Elie's father ultimately die?

a
After months of starvation, he ironically passed away from dysentery caused by food poisoning.
b
After months of starvation and abuse, he fell asleep peacefully in his bed.
c
Near death from starvation and sickness, he received a blow to the head from an SS officer.
d
He dies sitting peacefully in the snow

a

After months of starvation, he ironically passed away from dysentery caused by food poisoning.