3.) lacking energy is the correct answer
The verb would be set and silent mode would be the setting. It’s describing the word so it would be an adjective
William Gilmore Simms was an author. He wrote many stories sch as, "The Yemassee, " The Life of Francis Marion", and many other books. So because he was an author, I would think that he would be a great storyteller. Especially if he wrote all these books.
Hope this helps :)