How does it help the reader to know the thoughts, feelings, and actions of all the characters in this story?

A). It helps the reader by showing how the behavior of Echo and
Narcissus made the goddesses decide to punish them.
B). It helps the reader by showing that the goddesses decided to punish
Echo and Narcissus without good reason.
C). It helps the reader by showing that mortals, like Echo and Narcissus,
had power over the gods and goddesses.
D). It helps the reader by showing how much Echo loved Narcissus and
how her love was not returned.