Why is is important to be able to understand the developmental sequence of a literary piece? HELP ASAP

Which statement is the most accurate summary of this excerpt from leo tolstoy’s the death of ivan ilyich?

There are six red marbles 4 blue marbles and 15 green marbles in a jar if you reach in and randomly draw one what is the probability that it will choose a red marble

The dogs created when they pulled the christmas tree down and started eating the candy canes.