Suppose Circle and Rectangle classes are derived from GeometricObject and you declared
```
void displayGeometricObject(GeometricObject shape)
{
cout << shape.toString() << endl;
}
```
Which of the following function call is correct?
A. displayGeometricObject(Rectangle(2, 3));
B. displayGeometricObject(GeometricObject("black", true));
C. displayGeometricObject(string());
D. displayGeometricObject(Circle(5));
A. displayGeometricObject(Rectangle(2, 3));
B. displayGeometricObject(GeometricObject("black", true));
D. displayGeometricObject(Circle(5));
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