The following text is from L. Frank Baum's 1900 novel “The Wonderful Wizard of Oz.”

Dorothy gazed around in awe at the Emerald City's splendor. The streets were lined with beautiful houses and vibrant flowers, and the air was filled with a light, joyous music. Yet, for all its beauty, Dorothy felt a pang of homesickness, longing for the simple, gray plains of Kansas. She turned to her companions, the Scarecrow, Tin Woodman, and Cowardly Lion, wondering if they too felt out of place in this wondrous city.

Choose the option that best answers the question.
Which choice best describes the function of the highlighted sentence in the text as a whole?

Mark this answer as eliminatedIt shows how Kansas has no beauty or music, unlike the Emerald City.
Mark this answer as eliminatedIt illustrates the companions’ shared feeling of displacement in the Emerald City.
Mark this answer as eliminatedIt emphasizes the superiority of urban life over rural life.
Mark this answer as eliminatedIt contrasts Dorothy’s admiration for the Emerald City with her yearning for her home in Kansas