I think its "My brother's room is so messy that it looks like a meteor hit it". I'm not too sure though, I'm stuck between "I can tell that I sing really well by the way my dog howls along" and "My brother's room is so messy that it looks like a meteor hit it".
I think the answer is, "My brother's room is so messy that it looks like a meteor hit it," because that sounds the most exaggerated out of all of the choices. I'm not sure though.
