有SQL语句
SELECT * FROM 教师 WHERE NOT(工资＞30000R工资＜2000)
与如上语句等价的SQL语句是（）。

A．SELECT * FROM 教师 WHERE 工资 BETWEEN 2000 AND 3000
B．SELECT * FROM 教师 WHERE 工资＞2000 AND工资＜3000
C．SELECT * FROM 教师 WHERE 工资＞2000 OR工资＜3000
D．SELECT * FROM 教师 WHERE 工资＜=2000 AND工资＞=3000