public class Pass {  public static void main（String [1 args） {  int x 5；  Pass p = new Pass（）；  p.doStuff（x）；  System.out.print（” main x = “+ x）；  }  void doStuff（int x） {  System.out.print（” doStuff x = “+ x++）；  }  }  What is the result？（） 

• A、 Compilation fails.
• B、 An exception is thrown at runtime.
• C、 doStuffx = 6 main x = 6
• D、 doStuffx = 5 main x = 5
• E、 doStuffx = 5 main x = 6
• F、 doStuffx = 6 main x = 5