Which among the following is correct for following code ? abstract class A { public Int a; public void disp(); }; class B:public A { public: void dis() { court<<a; } }; class C:private A { public void incr() { a++; } } void main() { B b.disp(); }

• A. Compile time error
• B. Runtime error
• C. Program runs and o/p is 0
• D. Program runs and o/p is garbage value