public class X { 

public class X {   public static void main （Stringargs） {   string s = new string （“Hello”）；   modify（s）；   System.out.printIn（s）；   }   public static void modify （String s） {   s += “world!”；   }   }   What is the result？（） 

• AThe program runs and prints “Hello”
• BAn error causes compilation to fail.
• CThe program runs and prints “Hello world!”
• DThe program runs but aborts with an exception.