先通读下面两篇短文,掌握其大意,然后从各题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳选项。

    A Seeing Eye dog is very special. One1thing about having a Seeing Eye dog is that you can go anywhere in the city safely.

    I live in Barcelona, Spain. It's a big2, and there are many cars, but my dog Terra goes everywhere3me and doesn't let me get hit by a car. Terra also guides me to walk safely in the subway.

    I have a baby boy, so another good thing is that my dog watches out for4 , too. I can put the baby in his stroller, and Terra makes sure we are5okay. I have had Terra for ten years, and I'm happy to have it.