单项选择题
阅读下面程序
public class Test implements Runnable
public static void main(String[] args)
______
t.start();
public void run()
System.out.println("Hello!");
程序中下画线处应填入的正确选项是
A.Test t=new Test();
B.Thread t=new Thread();
C.Thread t=new Thread(new Test());
D.Test t=new Thread();