The family to which Gregor belonged to was an ordinary one. The everyday reality of life is prevalent in the realistic part of the story. The transformation through which Gregor passes through symbolizes the theme of isolation. The actions of Gregor as an insect symbolically defines the hardships which a person faces in his isolation and in-capabilities. Surrealism refers to the dreams, visuals and the use of symbols. In the story, Gregor experiences a dream after which he gets transformed into an insect.
The question is asking to choose among the following that states the genre of a fiction that are notable in franz kafka's The metamorphosis, base on my research, I would say that the genre would be Realistic. I hope you are satisfied with my answer and feel free to ask for more
