The New York Public Library, in the heart of the city at 42nd Street and 5th Avenue, may have to close its doors. The library is one of New York's most beautiful and valuable buildings. Even though it is in the busiest part of the city, it has grass and trees around it, and benches for people to sit on. Even more unusual in crowded New York, its rooms are very large. The roof of the Main Reading Room is 51 feet high. Here, a reader can sit and work in comfort.  The library has over thirty million books and paintings. It owns one of the first copies of a Shakespeare's play, a Bible printed in the 15th century, and a letter written by Columbus in which he tells of finding the new world. Every New Yorker can visit the library and use its riches -- free. But the cost of running the library has risen sharply in recent years, and the library has not enough money to continue its work. In the past, it was open every day. Now it is closed on Saturdays and Sundays and every evening to save money. The library is trying to raise more money to meet its increasing cost. Well-known writers and artists are trying to help. So are the universities, whose students use the library, and the government of New York City. But the problem remains serious. Yet a way must be found to save the library because, as one writer said,"The Public Library is the most important building in New York City -- it contains all our knowledge." The periods when the library is open now include   _   .
Tuesday evening Sunday morning Saturday afternoon Monday morning
Question: The New York Public Library, in the heart of the city at 42nd Street and 5th Avenue, may have to close its doors. The library is one of New York's most beautiful and valuable buildings. Even though it is in the busiest part of the city, it has grass and trees around it, and benches for people to sit on. Even more unusual in crowded New York, its rooms are very large. The roof of the Main Reading Room is 51 feet high. Here, a reader can sit and work in comfort.  The library has over thirty million books and paintings. It owns one of the first copies of a Shakespeare's play, a Bible printed in the 15th century, and a letter written by Columbus in which he tells of finding the new world. Every New Yorker can visit the library and use its riches -- free. But the cost of running the library has risen sharply in recent years, and the library has not enough money to continue its work. In the past, it was open every day. Now it is closed on Saturdays and Sundays and every evening to save money. The library is trying to raise more money to meet its increasing cost. Well-known writers and artists are trying to help. So are the universities, whose students use the library, and the government of New York City. But the problem remains serious. Yet a way must be found to save the library because, as one writer said,"The Public Library is the most important building in New York City -- it contains all our knowledge." The periods when the library is open now include   _   .
A. Tuesday evening
B. Sunday morning
C. Saturday afternoon
D. Monday morning
Answer: