单项选择题

Central Park is a beautiful green oasis(绿洲) in the middle of New York’s concrete desert. It is surprisingly big, with lakes and woods, as well as organized recreation areas. New Yorkers love Central Park, and they use it all the time. In the winter, they go ice - skating, and in the summer roller - skating. They play ball, ride horses and have picnics. They go bicycling and boating. There is even a children’s zoo, with wild birds and animals.
Along the east Side of Central Park runs Fifth Avenue, once called" Millionaire’s Row". In the 19th century, the richest men in America built their magnificent homes here. It is still the most fashionable street in the city, with famous department stores.
Broadway is the street where you will find New York’s best - known theatres. But away from the bright lights and elegant clothes of Broadway are many smaller theaters. Their plays are called "off - Broad - way" and are often more unusual than the Broadway shows. As well as many theaters. New York has a famous opera house. This is the Metropolitan, where international stars sing from September until April. Carnegie Hall is the city’s more popular concert hall. But night life in New York offers more than classical music and theater. There are hundreds of nightclubs where people go to eat and dance.
In the 19’h century, the richest men in America built their homes