问题：[选择题]

[单项选择题] 选择正确的语句填在下列程序的横线处。import java.awt.*;import java.awt.event.*;public class ex30{ Frame f; public static void main(String[] args) { ex30 e = new ex30(); e. te st ( ); } public void test() { f = new Frame("ex30"); ______ f.p

A．addWindowListener(newMyWindowtistener());
B．addWindowListener(MyWindowListener());
C．addWindowAdapter(newMyWindowListener());
D．addWindowListener(newMyWindowListener());