单选题
Given:
APoint p = new Point();
BLine.Point p = new Line.Point();
CThe Point class cannot be instatiated at line 15.
DLine l = new Line() ; l.Point p = new l.Point();
正确答案
答案解析
略
Which code, inserted at line 15, creates an instance of the Point class defined in Line?（）APoint p = new Point();
BLine.Point p = new Line.Point();
CThe Point class cannot be instatiated at line 15.
DLine l = new Line() ; l.Point p = new l.Point();