The correct answer is D. Science fiction is considered a genre of fictional literature. It is fictional literature based on imagined future scientific or technological advances or major social change.
Realism is literary device that shows how things really are. It doesn't use elaborate imagery or figurative language, like metaphors or similes. Symbolism is a technique used in literature when some things are not taken literally by using metaphors. Universal doesn't seem to be a type of literary device, but it is defined as something that is done by all people in the world or in a particular group.