20. Analyze the following code: import javafx.application. Application import javafx.scene.Scene import javafx.scene.control.Button import javafx.scene.image. Image; import javafx.scene.image. ImageView import javafx.scene. layout.HBox; import javafx.stage. Stage; public class Test extends Application ( @Override // public void start (Stage primaryStage) f Override the start method in the Application class Image us 1 con = new Image ("image/us 1 con.gif"); Button btl - new Button ("Button1", new ImageView (usIcon)) Button bt2 = new Button ("Button2", new ImageView/us Icon)); pane.getChildren ().addAll (bt1, bt2) scene scene = new Scene (pane , 200, 250); primaryStage.setTitle ("Test"); // Set the stage title primaryStage.setScene (scene) // Place the scene in the stage primaryStage.show () // Display the stage public static void main (String[] args) ( launch (args); A. Two buttons displayed with the same icon. B. Only bt2 displays the icon and btl does not display the icon. C. Only bt1 displays the icon and bt2 does not display the icon. D. Two buttons displayed with different icons