下面程序段的输出结果是 class Test public static vo
题型：单项选择题
问题：
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 created．
B．t has been created．
t is running．
C．t is running．
D．编译出错
