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.
Where is the bulleted list in the exerpt
You get to know there experiences and you can get a better picture when reading.
Humid defines as marked by a relatively high level of water vapor in the atmosphere. Basically, bringing moisture in the air, such as the air in a rain forest or the air of a dry desert.
