The standard(70)in C language contain many useful functions for input and output, string h

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The standard(70)in C language contain many useful functions for input and output, string handling,mathematical computations,and system programming tasks.

A.database

B.files

C.libraries

D.subroutine

参考答案:

C解析:在C语言中,标准库函数包括许多用于输入、输出、字符串处理、数学计算、系统调用的函数。

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