1. public class Outer{ <br /> 2. public void someOuterMethod() { <br /> 3. // Line 3 <br /> 4. } <br /> 5. public class Inner{} <br /> 6. public static void main( String[]argv ) { <br /> 7. Outer o = new Outer(); <br /> 8. // Line 8 <br /> 9. } <br /> 10. } <br /> Which instantiates an instance of Inner?()  
A、 new Inner(); // At line 3
B、 new Inner(); // At line 8
C、 new o.Inner(); // At line 8
D、 new Outer.Inner(); // At line 8