问题详情

3下碳程序段的输出结果是()。 class Test{ public static void main(Srting 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．编译出错请帮忙给出正确答案和分析，谢谢！