单项选择题
A．how Louis Pasteur's friend died B．Louis Pasteur's experience and achievements in curing rabies C．how Louis Pastear's arm and leg were disabled D．Louis Pastear cured a boy who had been badly bitten by a mad dog
A．Pasteur was respected by people B．the people supported Pasteur's research on rabies C．the people rewarded Pasteur for the discovery D．the people know he lived a poor life
A．to make a living B．to prevent the dog from rabies C．to find a good way to cure rabies D．to protect children from mad dogs