Because they want different for their child. They want their child to be able to be able to hear what they can't. And enjoy the many sounds of the world. The parents already know how much they want to be able to hear, and become sad when they find out their child can't either.
I'm pretty sure the correct answer is C. Hope i wasn't to late.
True i think im saying words cause its too short
Yes. The reason being because it can be really hard to silence those biases you might have when dealing with a situation. This is why when they call in a jury they call in a good mix of people and why they have the option of calling in a whole entire brand new jury.