Will the following C code compile without any error?

#include <stdio.h>
int main()
{
    int k;
    {
        int k;
        for (k = 0; k < 10; k++);
    }
}

A. Declare a variable B. Declare a function C. Define a function D. Assign a value

A. . B. ; C. : D. ,

A. char B. int C. float D. double

A. int variable_name; B. variable_name = 5; C. variable_name int; D. int = variable_name;