从学生表显示所有学生的信息,按照专业的升序排列,专业相同再按照年龄的降序 ( ) 。
A.
Select * From Student Order by Smajor DESC , Sage ASC
B.
Select * From Student Order by Smajor, Sage ASC
C.
Select * From Student Order by Smajor, Sage DESC
D.
Select * From Student Order by Smajor ASC, Sage