根据关系模型Students(学号,姓名,性别,专业)下列SQL语句正确的是______。

A：SELECT_* FROM Students_WHERE "姓名" = 李明

B：SELECT_COUNT(*) FROM Students GROUP_BY 性别 WHERE 专业 = "计算机"

C：SELECT_* FROM Students ORDER_BY 学号 DESC

D：SELECT_* DISTINCT 专业 FROM_Students