单项选择题

下列程序创建了一个线程并运行,横线处应填入的正确代码是______。
public class Try extends Thread
public static void main(String args[])
Thread t=flew Try();
______;

public void run()
System. out. println("Try!");

A.t. start
B.t. class
C.t. thread
D.t. static