单选题

import java.awt.*；   public class Test extends Frame {   public Test（） {   add（new Label（“Hello”） ）；   add（new TextField（“Hello”） ）；   add（new Button（“Hello”） ）；   pack（）；   show（）；    }   public static void main（String args） {   new Test （）；   }   }   What is the result？ （）

A  The code will not compile.

B  A Window will appear containing only a Button.

C  An IllegalArgumentException is thrown at line 6.

D  A Window button will appear but will not contain the Label， TextField， or Button.

E  A Window will appear containing a Label at the top， a TextField below the Label， and a Button  below the TextField.

F  A Window will appear containing a Label on the left， a TextField to the right of the Label， and a button to the right of the TextField.