Consider the Following Code Snippet

Consider the following code snippet:
JPanel panel = new JPanel() ;
JFrame frame = new JFrame() ;
JButton button = new JButton("Click me") ;
JLabel label = new JLabel("Show the answer") ;
Frame.add(label) ;
Frame.add(button) ;
Panel.add(frame) ;
Which of the following statements is true?

A) This code will correctly build the user interface.
B) The button and label should be added to the panel first, and then the panel should be added to the frame.
C) The frame should be added to the panel before adding the button and label to the frame.
D) The panel should be added to the frame first, and then the button and label should be added to the panel.