public class X {   public static void main （Stringargs） {   int a = new int [1]   modify（a）；   System.out.printIn（a[0]）；   }   public static void modify （int a） {   a[0] ++；    }    }   What is the result？（）  

• A、 The program runs and prints “0”
• B、 The program runs and prints “1”
• C、 The program runs but aborts with an exception.
• D、 An error “possible undefined variable” at line 4 causes compilation to fail.
• E、 An error “possible undefined variable” at line 9 causes compilation to fail.