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单项选择题 现有:  5.  class Order2 implements Runnable  {     6.    public void run()  {     7. for (int x- o;  x<4;  x++)  {  8. try{Thread.sleep(100);  )catch  (Exception e)  {  }     9.    System.out.print("r");     10.    }  }  11.    public static void main(string  []  args)  {     12.    Thread t=new Thread(new order2());     13.    t.start();  14.    for(int x=0;  x<4;  x++)  {     15.    //insert code here     16.    System.out.print("m");     17.  }  }  }  哪一个插入到第15行,最有可能产生输出 rmrmrmrm?()     

A、  Thread.sleep(1);

B、  Thread.sleep(100);

C、  Thread.sleep(1000);

D、  try{  Thread.sleep(1);  )  catch  (Exception e)  {  }

E、  try{Thread.sleep(100);  )  catch  (Exception  e)  {  }

F、  try{Thread.sleep(1000);  )  catch  (Exception  e)  { }

  • E
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