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單項(xiàng)選擇題

10. class Line { 
11. public class Point { public int x,y; } 
12. public Point getPoint() { return new Point(); } 
13. } 
14. class Triangle { 
15. public Triangle() { 
16. // insert code here 
17. } 
18. } 
Which code, inserted at line 16, correctly retrieves a local instance of a Point object?() 

A. Point p = Line.getPoint();
B. Line.Point p = Line.getPoint();
C. Point p = (new Line()).getPoint();
D. Line.Point p = (new Line()).getPoint();

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