What did Louis Pasteur see as a child that haunted him for the rest of his life?

a doctor touching a hot poker to the wounds of people bitten by a mad wolf

a mad wolf foaming at the mouth and chasing people

people dying slowly from a sickness caused by a wolf bite

a wolf biting people in the streets of Arbois>>

If you cannot find the answer to this in your reading, be sure to look it up on Google. Since I don't have your book or whatever else you might have been assigned, I don't know.

Please don't post this question again.