单项选择题
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 DESC
C、Select * From Student Order by Smajor, Sage ASC
D、Select * From Student Order by Smajor ASC, Sage
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