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下面对标识符的说法不正确的是( )。

单选题
2021-09-01 16:58
A、标识符可以以数字开头
B、标识符可以以字母开头
C、标识符可以以下划线开头
D、标识符可以以美元符号开头
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正确答案
A

试题解析

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