Speckled band whatbwas holmes first opportunity in the story

(b) Foreshadowing and flashback

Explanation:foreshadowing is  a giving a warning, an indication, or a hint of something that will happen in the future in a story. In the given passage from "The Black Cat" by Edgar Allan Poe, we can see an example of foreshadowing when the speaker says "In their consequences, these events have terrified have tortured have destroyed me" he hints the ending of the events that he is going to tell.