What is the author's main purpose in the text?

A. to argue that humans are capable of acting unselfishly altruistic towards others
B. to prove that people can be altruistic for a rewarding feeling, without being
selfish
C. to explore the origins of altruism and how "pure" altruism has developed over
time
D. to show how altruism is actually an essential part of human survival

Read the excerpt from "i wandered lonely as a cloud." for oft, when on my couch i lie in vacant or in pensive mood, they flash upon that inward eye which is the bliss of solitude; and then my heart with pleasure fills, and dances with the daffodils. which statement best describes the lines that are underlined in this excerpt? both lines contain alliteration, which creates a cheerful tone. both lines contain alliteration, which draws attention to the speaker's feelings. the lines use rhyme to transition from deep thought to a joyful memory. the lines use rhyme to show the speaker's feelings of isolation.