Which sentence best describes how Kaito changes in "The Sound of Spring"?Kaito is a friend to Alexa but then becomes her teacher when he agrees to show her how to play the guitar.Kaito feels unpracticed at first but then feels more confident after he finishes playing a piece on the guitar.Kaito is not interested in Ruby's book until after she describes it to him.Kaito feels unenthusiastic about walking his dog until he gets excited about going to the park.