Select the correct answer.
What is the purpose of including this sentence in a memoir?
Failing my math exam made me realize that the habit of procrastination is bad. It taught me the importance of completing all my assignments and studying regularly.

A.
to make readers laugh
B.
to show the writer's reflection
C.
to give a summary of the story
D.
to make the story more interesting
E.
to make the story easier to understand