What will be the output of the following C code?

#include <stdio.h>
int main()
{
    char *str = "hello, world\n";
    str[5] = '.';
    printf("%s\n", str);
    return 0;
}

A. Decision making B. Code organization C. Variable declaration D. Storing values

A. 4 B. 8 C. 2 D. 1

A. int *ptr; B. ptr int; C. int ptr; D. ptr *int;

A. Arithmetic operation B. Indirection operator C. Member access operator D. Bitwise operation