QWhat is the output of this C code?

    #include <stdio.h>
    union utemp
    {
        int a;
        double b;
        char c;
    }u;
    int main()
    {
        u.c = 'A';
        u.a = 1;
        printf("%d", sizeof(u));
    }

The output will be: (Assuming size of char = 1, int = 4, double = 8)

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• A 1 ✔ ✖
• B 4 ✔ ✖
• C 8 ✔ ✖
• D 13 ✔ ✖

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