What will be the output of the program given below? #include class BixBase { int x; public: BixBase(int xx = 0) { x = xx; } void Display() { cout<< x ; } }; class BixDerived : public BixBase { int y; public: BixDerived(int yy = 0) { y = yy; } void Display() { cout<< y ; } }; int main() { BixBase objBase(10); BixBase &objRef = objBase; BixDerived objDev(20); objRef = objDev; objDev.Display(); return 0; }

• A. 0
• B. 10
• C. 20
• D. Garbage-value