设有学生表S(学号,姓名,性别,年龄),查询所有年龄小于等于l8岁的女同学,并按年龄进行降序排序,生成新的表WS,正确的SQL语句是( )。
A. SELECT*FROM SWHERE性别=’女’ AND年龄<=18 0RDER BY 4 DESC INTOTABLE WS
B. SELECT*FROM SWHERE性别=’女’AND年龄<=18 0RDER BY 年龄INTO TABLE WS
C. SELECT*FROM SWHERE性别=’女’AND年龄<=18 0RDER BY 年龄DESC INTO TABLE WS
D. SELECT*FROM SWHERE性别=’女’0R 年龄<=18 0RDER BY ’年 龄’ASC INTO TABLE WS