已知：class Rectangle { private int width, height; public void setSize(int width, int height) { this.width = width; this.height = height; }}下面哪些代码重载 setSize 方法
选项：

A:protected void setSize(int width, int height) { this(width, height)};
B:public void setSize(int width, float height) { this.width = width; this.height = (int)height;};
C:protected void setSize(int width) { this.width = width;};
D:public void setSize(int height, int width) { this.width = width; this.height = height;}