What is the purpose of the scene in leo tolstoy’s the death of ivan ilyich in which ivan ilyich thinks about the following logical argument, known as a syllogism?

"caius is a man, men are mortal, therefore caius is mortal.”

a- to show that all men are mortal and therefore ivan ilyich, a man, must die
b-to show that ivan ilyich finally acknowledges that he is dying
c- to show that ivan ilyich’s attitude toward life has not prepared him to face death
d-to show that ivan ilyich has had a good education and therefore his thoughts are sophisticated