现有学生住处表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。下面查询语句正确的是

A.SELECT stu_name FROM student_info WHERE stu_grade=80
ORDER BY stu_id DESC;

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;

E.