单项选择题

阅读下面代码
public class Jixiangwu
 public static void main(String[] args)
  String[] stars="贝贝","晶晶","欢欢","迎迎","妮妮";
  System.out.println("你抽取的奥运吉祥物是"+
  "“"+stars[(int)(stars. ______ *Math.random())]+"”"+"!");
 
为保证程序能正确执行,程序中下画线处应填写的是

A.long
B.width
C.wide
D.length