60.Which of the following will be the correct output for the C#.NET program given below?

namespace IndiabixConsoleApplication
{
    class SampleProgram
    {
        static void Main(string[] args)
        {
            int num = 1;
            funcv(num);
            Console.Write(num + ", ");
            funcr(ref num);
            Console.Write(num + ", ");
        }
        static void funcv(int num)
        {
            num = num + 10; Console.Write(num + ", ");
        }
        static void funcr (ref int num)
        {
            num = num + 10; Console.Write(num + ", ");
        }
    }
}
A.1, 1, 1, 1,
B.11, 1, 11, 11,
C.11, 11, 11, 11,
D.11, 11, 21, 11,
E.11, 11, 21, 21,
Answer: Option B