题目内容：
根据材料请回答A visit to the National Gallery(国家美术馆)brings you to one of the most beautiful buildings in the country．Opened in 1988，this is now the permanent(永久的)home of the national art collection．
＊Gallery Hours
Summer(mid．May--September)：Daily，Monday to Sunday lo a．m．--6 P．m．；Thursday until 8 P．m．
Winter(October--mid．May)：Wednesday to Sunday lo a．m．m5 P．m．；Thursday until 8 P．m．
Closed Mondays，Tuesdays，and holidays．
＊Tickets
Free for the permanent collection．Tickets for some special exhibitions．
＊Public Tours
Free daily tours of the permanent collection at 11 a．m．and 2 P．m．
Group tours can be booked--three weeks notice required．Tel：990—0570
＊The Bookstore
Opens and closes with Gallery．Tel：990—0962
＊Education Center
Organizes talks，tours，workshops and other special public and school programs．Tel：993—8876
＊Library
Open to the public for purposes of research and study．Tel：998—7620
If you are free only after 6 P．m．，0n what day can you go and visit the Gallery?
A．Monday．
B．Wednesday．
C．Thursday．
D．Sunday．
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