. "h century.Question 4The author mentions Vivaldi and Tartini in line 20 as examples of composers whose musicAcould be played only by their studentsBhad to be adapted to the violinCinspired more people to play the violinDdemanded more sophisticated violinsQuestion 5The word they in line 23 refers toAinternal structure and fingerboardBCivaldi and Tartini Cthinner strings and a higher string tension" . . .