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 run(){displayOutput("t is running."); } }
A.t has been create
B.t has been create t is runnin
C.t is runnin
D.编译出错