问题详情

下列Applet实现画一条连接窗口右上角的直线。选择正确的语句填入横线处。 import java.applet.*; import java.awt.*; public class ex25 extends Applet { public void paint (Graphics g) { Dimension d; d = getSize(); ______ } } ______ } }
A．g.drawLine(d.width, al.height, 0, 0);
B．g.drawLine(0, d.height, d.width, 0);
C．g.drawLine(0, 0, d. width, 0);
D．g.drawLine(0, d.height, 0, d.width);请帮忙给出正确答案和分析，谢谢！