查询所有的男性学生姓名和年龄,按照年龄降序排列,可以使用的查询语句是:( )
A. SELECT Sname, Sage FROM Student WHERE Ssex = '男' ORDER BY Sage ASC;
B. SELECT Sname, Sage FROM Student WHERE Ssex = '男' ORDER BY Sage DESC;
C. SELECT Sname, Sage FROM Student WHERE Ssex = '男' ORDER BY Sage;
D. SELECT Sname, Sage FROM Student ORDER BY Sage WHERE Ssex = '男';