你知道十二生肖吗？“子鼠丑牛，寅虎卯兔，辰龙巳蛇，午马未羊，申猴酉鸡，戌狗亥猪．”在这十二种动物中，都属于哺乳动物的选项是（　　）

增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。

删除：把多余的词用斜线(\)划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者(从第11处起)不计分。

    We often hear stories of animals rescued people. But now someone has managed to return the favor. The event took place on one snowy January morning where Thomas Smith was walking her dog, Jack, in the park. “As I was walking, I just saw Jack running onto the ice towards the ducks in the middle, and then he falls into the water,” said Smith. He realized he had no choice but try and save his dogs.” Finally, I got Jack by a neck and pulled him out. I don't think of I have ever felt so cold by the time we got back to the land. When we got there, everyone was asking why Jack was okay—no one was particular worried about me!”