What is the correct meaning of the word deafening in this sentence? "The stock cars raced past us with deafening speed."

a) dangerous
b) wild
c) loud
d) increasing

It's a) or c) but which? Just need some quick input.

Both wiesel’s all rivers run to the sea and spiegelman’s maus relate events of the holocaust from a jewish survivor’s perspective. using the third-person point of view. by retelling the experiences of friends. through the eyes of their fathers.