题目内容 (请给出正确答案)
提问人:网友z*****n 发布时间:2022年3月22日 23:19
[单项选择题]

要限定年龄字段(数值型)的输入值在0至20岁之间(包括0和20岁),应在年龄字段的有效性规则输入框中输入表达式()。

A、0=年龄=20

B、年龄=0-20

C、年龄=0AND年龄=20

D、年龄=0OR年龄=20

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