Because if u give her something to imagine she could be imaging candy for all u know and if u make her think about playing music what good is that gonna do? she could be lying. And by stopping her from being distracted in class she could be distracted no matter what u do if she is determined she will find a way even if it is staring at a wall. SOOO the answer is gonna be C. (It COULD also be D but im pretty sure its not)
