(e)While part of the party searching for the Beast, Simon realizes
that the notion of the Beast that the other boys have does not make
sense. A beast sitting atop a mountain with claws, a beast who did
not leave tracks, could have easily caught the twins. Simon has a
different picture of the Beast: "There rose before his inward
sight the picture of a human at once heroic and sick." How does
this picture relate to the Beast that Samneric saw? How does it
relate to what Simon said earlier about the Beast being "only
us"?
Base on the story of the swimmer by F. Scott Fitzgerald, he reveal the setting of the passage by mentioning water and sand and the best answer among the choices is in the last choice. I hope you are satisfied with my answer and feel free to ask for more