阅读下面的代码：
Public class Example{
public static void main(String[] args) {
String[] strs = { "Tom", "Jerry", "Donald" };
// foreach循环遍历数组
for (String str : strs) {
str = "Tuffy";
}
System.out.println(strs[0]+ "," + strs[1] + "," + strs[2]);
}
}
程序的运行结果是（ ）
A.Tom,Jerry
B.Tom,Jerry, Tuffy
C.Tom,Jerry,Donald
D.以上都不对
正确答案是C