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_

问题：

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．＞=