1. a focus on fear and horror
2. an exploration of strong emotions
3. a reliance on mystery and suspense
Poe creates fear, horror, mystery, and suspense when the narrator says that he killed the old man, then describes the events leading up to the old man's death. He explores the strong emotions or the narrator's madness as well. There are no supernatural creatures or events in the passage or in the entire story so 4 and 5 are completely incorrect.
The level of diction which is typically used in newspapers and magazines is A. informal.
You don't want to sound too formal if you are talking about fashion or sport, etc. which is why you use the colloquial language to talk to your audience.
Im confused, what's the question?
