Stop being right -_- it's annoying.
Blind people could think in sound, you don't really "see" or "hear" anything when you think- so it's understandable that blind people would think in the one sense they rely most on, their hearing.
I don't know if it's possible, but we can think up physical sensations too. Like we can imagine hot and cold. But we don't usually do that, when we think of cold- we picture ice, we don't think of the feeling of being cold. But maybe blind people could develop that sort of mind, to think of sensations.