I think B is repetition double check though
MLA 8 was designed to simplify the process, helping writers accurately and intuitively cite sources more easily, requiring that every source type follow the same format. This means that books, websites, periodicals, videos, photographs, and all other types of sources now use this same standard format.
Can you give the choices that its giving you since it says "which of the following words"?
I think it is because personification is the attribution of a personal nature or human characteristics to something nonhuman, or the representation of an abstract quality in human form.