单项选择题
A．a degree which is the highest in science B．a person who works in the lab C．the post in science D．someone whose job is to make sick people well again
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．became disappointed B．got angry C．lost interest D．could not continue the conversation because he did not know what else he could say