Which statement is an example of the author'author's use of logos in "the dam nation of a canyon"? a. the author offers definitions of words in order to clarify the terms for the reader. b. the author explains that he has firsthand experience and is considered an expert. c. the author uses a sarcastic tone to make other arguments sound unreasonable. d. the author create a beautiful picture of the area before the dam was built.

Read the excerpt from "the love song of j. alfred prufrock." and indeed there will be time to wonder, “do i dare? ” and, “do i dare? ” time to turn back and descend the stair, with a bald spot in the middle of my hair— [they will say: “how his hair is growing thin! ”] my morning coat, my collar mounting firmly to the chin, my necktie rich and modest, but asserted by a simple pin— [they will say: “but how his arms and legs are thin! ”] do i dare disturb the universe? in a minute there is time for decisions and revisions which a minute will reverse. which lines indicate that the speaker is concerned about what others think of him?