单项选择题

阅读下面程序
import javax.swing.JOptionPane;
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;colunm++)
     if(row==5)break stop;
     output+="*":
   
   output+="\n";
  
  output+="\nLoops terminated normally":
 
 JOptionPane.showMessageDialog(null,output,"用一个标志测试break语句",
  JOptionPane.INFORMATION_MESSAGE);
 System.exit(0);
 

程序运行的结果是

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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