Can we have enum containing enum with same contestant? #include "stdio.h" enum Yenum{ C, CPP, Java }; enum Xenum{ C, CPP, Java, Yenum }; int main() { enum Xenum var; printf("%d",sizeof(var)); return 0; }

• A. Enum can contain enum but duplicate contestants are not allowed
• B. Enum can't contain enum
• C. Enum can contain enum but not accessible
• D. This code will produce compilation error