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; column++ ) if ( row=5 ) break stop; output+="* "; output +="\n"; output +="\nLoops terminated normally"; JOptionPane.showMessageDiaiog( null, output,"用一个标志测试break语句", JOptionPane.INFORMATION_MES SAGE ); 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*****