In Twelve years slave, why is the slave bob upset when the narrator borrows his fiddle to play a tune?
A. He believes that the narrator is about to steal his fiddle.
B. He finds the sound of the narrator’s fiddling grating and hard to bear
C. He is angry that the narrator is unlikely to teach him the tune he plays
D. He is jealous when Mr.Freeman praises the narrator’s playing over his own