Which sentence best illustrates an appeal to ethos?
 A. Think of the children who have to grow up in a concrete jungle,
 barren of soft grass and shady trees.
 B. A public park brings more foot traffic to the city center, increasing
 opportunities for local businesses to prosper.
 C. Living in the city for 10 years has shown me that public green
 spaces are important.
 D. How might future generations judge us if we fail to improve our
 city when we had the chance to do so?