The answer is B) it can motivate the events of a story.
I hope this helps :)
b future perfect progressive
A protagonist is a character who evokes the reader’s sympathy.
The water ran down from her hair and clothes; it ran down into the toes of her shoes and out again at the heels. And yet she said that she was a real princess. ... Now they knew that she was a real princess because she had felt the pea right through the twenty mattresses and the twenty eider-down beds.
