class MyThread extends Thread {public static void main(String args[]) {MyThread t = new MyThread();MyThread s = new MyThread();t.start();System.out.print("one.");s.start();System.out.print("two.");}public void run() {System.out.print("Thread");}}则下面正确的选项是 A. 编译失败 B. 程序运行结果为: one.Threadtwo.Thread C. 程序运行结果是: one.two.ThreaThread D. 程序运行结果不确定