单项选择题

下列程序的功能是统计字符串中“array”的个数,在程序的空白处应填入的正确选项是()
  public class FindKeyWords{
  public static void main(sring[] args){
  sting text=
  “ An array is a data structur that stores a collection of”
  + “values of the same type . You access each individual value”
  + “through an integer index . For example,if a is an array”
  + “of inergers, then a[i] is the ith integer in the array.”;
  Int arrayCount =0;
  Int idex = -1;
  Sting arrarStr =”array”;
  Index = text.indexof(arrayStr);
  While(index 0) {
  ++arrayCount;
  Index += arrayStr.length();
  Index = text.indexof(arrayStr,index);
  }
  System.out.println
  (“the text contains” + arrayCount + “arrays”);
  }
  }

A.<
B.=
C.<=
D.>=