I would choose answer C on your picture based on the 2 passages
I would say isolation because Elie and his father are separated from his mother and 2 sisters so that he and his father go to the forced labour camp and his mother and sisters go to the gas chambers though the mother and one sister survive he does not see them again, at least not there. And seeing his father become helpless so that he must become his father's caregiver makes him resentful and then ashamed of his resentment.
Answer:
C. I wield a pen, this fine and fearless sword, To open doors for which there are no keys
Explanation:
The inference that supports that the writer uses journalism as a voice for the voiceless and forgotten is option C.
This is because of the statement made that his pen which he uses to write news and articles are his sword and they open doors which have no keys.