The answer would be B, because it is mentioning the death.
To identify the central idea of the text readers must - Engage while reading so that they comprehend what the writer is trying to communicate!
Hope it helps!
XD
Indroduction - Washing our hands is essential to
prevent the spread of infectious
diseases.
Body - Germs pass from our hands to our
mouths when we handle food with
unwashed hands. A number of infectious diseases such as
influenza, hepatitis A, or gastroenteritis
can spread from one person to another
through touch. A good practice is to wash your hands
with liquid soap for 15 to 20 seconds
or longer.
Conclusion - You can now see how just a little time
spent washing your hands can save
you from some major illnesses.
When Ivan developed an illness, his character developed from being self-centered to being compassionate. By facing his own death, he began to examine his life. Gerasim, the one who helps Ivan during his sickness, was also a factor to his character development.