<span>D.) “Mr. Lee, your presentation was both informative and enjoyable"</span>
"A" I suppose because it says it's a text so she needs the picture to visualize.
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.
