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In C program, all variables must be(70)before use, usually at the beginning of the function before any(71)statements.
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In C program, all variables must be(70)before use, usually at the beginning of the function before any(71)statements.
A、stated
B、writed
C、illustrated
D、declared
时间：2022-01-09 15:53
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答案解析
D
解析：译文：在一段C程序中，所有变量在使用前必须声明，通常在函数的可执行语句之前声明。
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