Read the excerpt from "Isaac and Casey."
"Higher!” said Isaac, and Casey jumped higher. In fact, he jumped really high. He was like a big, furry grasshopper. Isaac was amazed. Maybe Casey could be a real show dog. Maybe he could be in a circus or something.
What is the meaning of the simile in the excerpt?
Casey wants to be a circus dog.
Casey listens as well as a show dog.
Casey is able to jump very high.
Casey is hairy just like a grasshopper.