Given the following code， which code fragments， when inserted at the indicated location， will succeed in making the program display a button spanning the whole window area？（）  
import java.awt.*； 
 public class Q1e65 {  
public static void main（String args[]） {  
Window win = new Frame（）；  
Button but = new Button（"button"）；  
// insert code fragment here  win.setSize（200， 200）； 
 win.setVisible（true）； 
 }  
}