在MySQL中，假如“<>”操作符的两侧数据不等，则返回结果为（）。

A.SELECT *FROM student ORDER BY id DESC LIMIT 1
B.SELECT *FROM student ORDER BY id ASC LIMIT 1
C.SELECT *FROM student LIMIT 1OFFSET （SELECT COUNT（*）FROM student）-1
D.SELECT *FROM student WHERE id =（SELECT MAX（id）FROM student）

A.获取第6-10条记录
B.获取第5-10条记录
C.获取第6-15条记录
D.获取第5-15条记录

A.SELECT DISTINCT field1，field2FROM table
B.SELECT DISTINCT （field1，field2）FROM table
C.SELECT DISTINCT field1FROM table GROUP BY field2
D.SELECT DISTINCT field1，DISTINCT field2FROM table