通读下面的短文, 然后从短文后所给的A、B、C三个选项中选出最佳【答案】填空, 使短文完整通顺。
All of us have our own friends. I have a nice friend. He's a（n）____11____, a beautiful butterfly. Asone of the most friendly butterflies, he ______12______lands on me.
It was a March afternoon in a busy street. A butterfly stayed on me for thirty______13______.I felt so happy and warm that I stopped to take a photo with him. Then I walked down the street and called my mom. I told____14____ that I planned to bring the butterfly home with me after the meal. At 6:00 pm, I walked into a ____15____. It was full of people there. I ____16____ some food and sat down to eat. To my surprise, the manager liked butterflies, too. And she quickly ____17____ online for what butterflies liked to eat. And with the butterfly still on my shoulder, I ____18____ for the meal. On my way home, he flew away. I thought that was the____19____ of him. But when I returned home an hour later, Mom said, “He’s ____20____! He's regarded our home as his own!”
11. A. boy B. person C. animal
12. A. usually B. never C. hardly
13. A. minutes B. hours C. days
14. A. them B. him C. her
15. A. library B. restaurant C. museum
16. A. ordered B. cooked C. showed
17. A. bought B. searched C. left
18. A. paid B. cared C. looked
19. A. beginning B. middle C. end
20. A. away B. back C. off
文章大意：本文讲了作者的动物朋友——一只美丽的蝴蝶，详细介绍了作者和这只蝴蝶相遇且蝴蝶跟着作者回家的过程中发生的事情。