为自己加油

编写AWT图形用户界面的时候，一定要import的语句是（ ）？

A.

<input type="radio" name="input_83f9a5fff6f84c70834ae21995835671_2_1" value="choice_0">import java.awt; 
B.

<input type="radio" name="input_83f9a5fff6f84c70834ae21995835671_2_1" value="choice_0">import java.awt; 
C.

<input type="radio" name="input_83f9a5fff6f84c70834ae21995835671_2_1" value="choice_2" checked="true">import java.awt.*; 
D.
<input type="radio" name="input_83f9a5fff6f84c70834ae21995835671_2_1" value="choice_3">import javax.swing.*;