What will be the output of given set of code? { delegate string f(string str); class sample { public static string fun(string a) { return a.Replace('k', 'o'); } } class Program { static void Main(string[] args) { f str1 = new f(sample.fun); string str = str1("Test Ykur C#.NET Skills"); Console.WriteLine(str); Console.ReadLine(); } } }

• A. Test Ykur C#.NET Skills
• B. Test Ykour C#.NET Skills
• C. Test Your C#.NET Skills
• D. Test ur C#.NET Skills