One day Einstein  was walking in the street in New York. His friend met him and said to him, "Einstein, you should buy a new coat. Look, how old your coat is!" But Einstein answered, "It doesn't matter. Nobody knows me here." After a few years Einstein became a famous scientist. But he still wore the old coat. His friend met him again and asked him to buy a new one. But Einstein said, "I needn't buy a new one. Everyone knows me here." Einstein didn't want to buy a new one because   _  .
nobodyknew him he likedthe old one he had no money he didn't mind it