&#123;    delegate string F&#40;string str&#41;;    class sample    &#123;        public static string fun&#40;string a&#41;        &#123;            return a.Replace&#40;',''-'&#41;;        &#125;    &#125;    class Program    &#123;        static void Main&#40;string&#91;&#93; args&#41;        &#123;            F str1 = new F&#40;sample.fun&#41;;            string str = str1&#40;&quot;Test Your c#.NET skills&quot;&#41;;            Console.WriteLine&#40;str&#41;;        &#125;    &#125;&#125;
A. Test Your
B. Test-Your-C#.NET-Skills
C. ur C#.NET Skills
D. None of the mentioned
Answer:A
&#123;    delegate string F&#40;string str&#41;;    class sample    &#123;        public static string fun&#40;string a&#41;        &#123;            return a.Replace&#40;',''-'&#41;;        &#125;    &#125;    class Program    &#123;        static void Main&#40;string&#91;&#93; args&#41;        &#123;            F str1 = new F&#40;sample.fun&#41;;            string str = str1&#40;&quot;Test Your c#.NET skills&quot;&#41;;            Console.WriteLine&#40;str&#41;;        &#125;    &#125;&#125;
A. Test Your B. Test-Your-C#.NET-Skills C. ur C#.NET Skills D. None of the mentioned
Explanation: None.