问题：

[多选题]单选,10分] 现有学生信息表Student_info,其中包括姓名(stu_name),学号(stu_id),成绩(stu_grade)我们需要查询成绩为80分的学生姓名，要求结果按照学号降序排列。 下面SQL查询语句正确的是

A、SELECT stu_id, stu_name FROM student_info WHERE stu_grade=80 ORDER BY stu_name ASC
B、SELECT stu_name FROM student_info WHERE stu_grade=80 ORDER BY stu_id DESC
C、SELECT stu_id, stu_name FROM student_info WHERE stu_grade=80 ORDER BY stu_name ASC
D、SELECT stu_name FROM student_info WHERE stu_grade LIKE 80 ORDER BY stu_id DESC