It allows the reader to see how the character came to be who he or she is currently, it creates realism in the text, it creates tension between the narrator and the character, etc.
D. when it tries to sell you products related to your obvious interests
A statement we accept without proof is called a
postulate. It is also known as an axiom. These are rules which are accepted to
be true without any evidence that will prove these. For instance, the
postulates in the kinetic molecular theory.
His guilt about his mistreatment of the cat