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 displayOutput(String s) System.out.println(s);
public void nm() displayOutput("t is running. ");
A.t has been created. t is running. B.t has been created. C.t is running. D.编译出错