package foo；  public class Outer （   public static class Inner （   ）   ）   Which statement is true？（）  

• A、 An instance of the Inner class can be constructed with “new Outer.Inner（）”
• B、 An instance of the inner class cannot be constructed outside of package foo.
• C、 An instance of the inner class can only be constructed from within the outer class.
• D、 From within the package bar， an instance of the inner class can be constructed with “new inner（）”