In the given excerpt from "Bluesman on the Move," the author's word-choice for using the word like 'ghosts' primarily aims to develop a feeling of 'isolation and loneliness.' It assists the author in reinforcing the idea that the place is so deserted that 'even the notes of the guitar bounce back similar to ghosts.' This sets the mood for the reader and further emphasize the abandonment of the place where the old man didn't even have someone to tell his tales.
Evidence B better supports this claim. While Evidence A may seem more appealing to children, it is not backed up by specific test scores or teacher credentials. Parents can always request evidence of test scores.