Answer:
B) It helps readers understand the meaning or theme of the story.
Step-by-step explanation:
When the narrator knows the thoughts and experiences of the characters, he is able to explain this in a detailed and succinct way, so that the readers have the ability to understand the situation in which the characters are inserted, in a more complete and efficient way. In this way, the reader has the help of the narrator to understand the theme of the story more quickly and more completely and effectively.