在已建"图书"表中查找定价大于等于20并且小于30的记录，正确的SQL命令是
- A.SELECT * FROM 图书 WHERE 定价 BETWEEN 20 AND 30
- B.SELECT * FROM 图书 WHERE 定价 BETWEEN 20 TO 30
- C.SELECT * FROM 图书 WHERE 定价 BETWEEN 20 AND 29
- D.SELECT * FROM 图书 WHERE 定价 BETWEEN 20 TO 29
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参考答案：C
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