单项选择题

阅读下面程序
import javax.swing.JOptionPang;
public class BreakLabelTest
public static void main (String args[])
String output=" ";
stop:
for(int row=1; row<=10; row++)
for (int column=1; column<=5; column++)
if(row==5)
break stop;
output+=¨*¨;

output+="\n";

output+= "\nLoops terminated normally";

JOptionPane.showMes sageDialog(
Null, output,"用一个标志测试break语句",
JOptionPane.INFORMATION_MESSAGE);
System.exit(0);


程序运行结果是______。

A.窗口中有5行*****
B.窗口中有5行****
C.窗口中有4行*****
D.窗口中有6行*****
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