Which lines in this excerpt from tolstoy’s the death of ivan ilyich demonstrate that gerasim is a character foil to ivan ilyich?

a) but he had never had the spirit to do it.
b) the awful, terrible act of his dying was, he could see, reduced by those about him to the level of a casual, unpleasant, and almost indecorous incident
c) he saw that no one felt for him, because no one even wished to grasp his position.
d) only gerasim recognized it and pitied him.
e) gerasim alone did not lie; everything showed that he alone understood the facts of the case and did not consider it necessary to disguise them,