The correct answer is A.
The author does not allude the visitor as being Herbert. He merely call it "the thing outside". Therefore, this is not a way the author creates suspense in the story.
The rest of the options: the description of the scraping, the echoes of the knocks, and the difficulty to find the object that was needed, are all elements that help build up suspense in this passage.
It’s pity because that wouldn’t anger someone, and if it is a child, then we wouldn’t be scared of a child, and their is nothing to doubt, the answer is
D
Resolution
rising action
exposition
climax
falling action
Here is a website for meaningful poems. I think you can find a good one on here. I couldn't really find a clean meaningful rap song so I tried to find a poem, but I don't know what kind of thing you like so here you go, https://classicalpoets.org/2016/01/07/10-greatest-poems-ever-written/