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