单项选择题
查询成绩在80~90分的学生记录的准则表达式为（）
A.> 80 AND > 90
B.>= 80 AND <= 90
C.Between 80 AND 90
D.Between 80—90
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单项选择题
A.> 80 AND > 90
B.>= 80 AND <= 90
C.Between 80 AND 90
D.Between 80—90
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