What will be the output of the following C# code snippet?

public class A
{
    public int x;
    public int y;
    public void display() 
    {
        Console.WriteLine(x + " " + y);
    }
}
class Program
{
    static void Main(string[] args)
    {
        A obj1 = new A();
        A obj2 = new A();
        obj1.x = 1;
        obj1.y = 2;
        obj2 = obj1;
        obj1.display();
        obj2.display();
    }
}

A. 1 2 0 0

B. 1 2 1 2

C. 0 0 0 0

D. Run time exception

Answer: Option B