How does the excerpt exemplify Gothic fiction?

by describing a scene of blood and gore

by reminding the reader of the presence of evil

by depicting the triumph of reason over the irrational

by introducing a cast of odd characters

The answer to the question above is the first option: by describing a scene of blood and gore. When we say Gothic fiction, this is a kind of genre in writing that presents a combination of horror and fiction. It also includes the element of fear, death, and very intense or suspense emotions.