What will be the output for the given set of code? namespace ConsoleApplication4 { abstract class A { int i; public abstract void display(); } class B: A { public int j; public override void display() { Console.WriteLine(j); } } class Program { static void Main(string[] args) { B obj = new B(); obj.j = 2; obj.display(); Console.ReadLine(); } } }

• A. 0
• B. 2
• C. Compile time error
• D. 1