In paragraph 6, how does the author's statement that "there were significant improvements in reading scores for the children who attended music classes regularly" affect this passage? ( look at photo )
A. It helps establish the passage's reverent, reflective tone.
B. It shifts the tone of the passage from scholarly to personal.
C. It reinforces the passage's formal, objective tone.
D. It makes the tone of the passage more critical and less subjective.
