Why does the poet most likely include this allusion to C.S. Lewis’s book The Lion, the Witch, and the Wardrobe?

to emphasize that reading frightening tales made the speaker feel confident and strong
to help illustrate that the speaker read a variety of imaginary tales and children’s books
to help show that books were a source of comfort and imagination for the speaker
to highlight the idea that the speaker relied on the librarian to find interesting books to read