[单项选择]下面程序段的输出结果是______。 class Test public static void main(String args[ ]) MyThread t=new MyThread( ); t.displayOutput("t has been created"); t.start( );
class MyThread extends Thread public void display Output(String s) System.out,println(s);
public void run( ) displayOutput("t is running");
A. t has been created B. t has been created C. t is running D. 编译错误