Which of the following was (and still is) used by computer programmers as a first test program?

the following was (and still is) used by computer programmers as a first test program is "Hello world!".

and its computer program is:

Explanation:

#include <stdio.h>

int main()

{

/* printf() displays the string inside

quotation*/

printf("Hello, World!");

return 0;

}

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batradivjyot25.  

answer(d) sequencing and iteration;