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单项选择题 10. class Line {  11. public static class Point { }  12. }  13.  14. class Triangle {  15. // insert code here  16. }  Which code, inserted at line 15, creates an instance of the Point class defined in Line?() 

A、 Point p = new Point();

B、 Line.Point p = new Line.Point();

C、 The Point class cannot be instatiated at line 15.

D、 Line 1 = new Line() ; 1.Point p = new 1.Point();

  • B
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