A.SELECT学号,成绩FROM Student ToP 10 ”成绩” DESC WHERE 课程号=”00002” B.SELECT学号,成绩FROM Student ToP 10 PERCENT ”成绩” ASC WHERE 课程号=”00002” C.SELECT学号,成绩FROM Student ToP 10 ORDER BY “成绩” DESC WHERE 课程号=”00002” D.SELECT学号,成绩FROM Student ToP 10 PERCENT ORDERBY “成绩” ASC WHERE课程号 =”00002”