Read the sentence below and answer the following question:
During the whole of a dull, dark, and soundless day in the autumn of the year, when the clouds
hung oppressively low in the heavens, I had been passing alone, on horseback, through a singularly
dreary tract of country, and at length found myself, as the shades of the evening drew on, within
view of the melancholy House of Usher. -Poe, "The Fall of the House of Usher"
What has the author done to create a tone of seriousness in this piece?
◇ He has used a long sentence with complex syntax to ask the reader to pay close attention.
O He has used a meaningless sentence with broken syntax to make a point about grammar.
O He has written a sentence using descriptive syntax about a strange summer day of cold.
O He has written a short sentence with traditional syntax to make the reading easy for all.