The STUDENT_GRADES table has these columns: The register has requested a report listing the students' grade point averages (GPA), sorted from highest grade point average to lowest within each semester, starting from the earliest date. Which statement accomplishes this?（）

• A、SELECT student_id, semester_end, gpa   FROM student_grades   ORDER BY semester_end DESC, gpa DESC;
• B、SELECT student_id, semester_end, gpa   FROM student_grades   ORDER BY semester_end ASC, gpa ASC;
• C、SELECT student_id, semester_end, gpa   FROM student_grades   ORDER BY semester_end, gpa DESC;
• D、SELECT student_id, semester_end, gpa   FROM student_grades   ORDER BY gpa DESC, semester_end DESC;
• E、SELECT student_id, semester_end, gpa   FROM student_grades   ORDER BY gpa DESC, semester_end ASC;