What will be the output of the following C code?

#include <stdio.h>
union u
{
    struct
    {
        unsigned char x : 2;
        unsigned int y : 2;
    }p;
    int x;
};
int main()
{
    union u u;
    u.p.x = 2;
    printf("%d\n", u.p.x);
}

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)