What will be the output of the following C code?

#include <stdio.h>
typedef struct student
{
    char *a;
}stu;
void main()
{
    struct student s;
    s.a = "hey";
    printf("%s", s.a);
}

A. struct B. record C. class D. object

A. Variables B. Properties C. Objects D. Elements

A. Function B. Another structure C. Enumeration D. All of the above

A. . (dot) B. -> (arrow) C. :: (scope) D. , (comma)