阅读下面短文，从短文后各题所给的四个选项（A, B,C和D)中，选出可以填入空白处的最佳选项。
I am an American living in France for twenty years. I used to complain about how the French were 1 for friendship. I had a(n)2 time making a living here.
When I came I felt a need to meet people,3 I went to the cinema night for women's day. I was excited about the way to connect to French women through the 4 we would have after the film, perhaps to make friends and get more chance of 5.
Outside the cinema was a woman with long gray hair who had a slightly 6 smell and was asking for money. I 7 my wallet to give her a Euro and then something made me stop and enter into 8 with her. I said, “Look, people are seeing a film that could 9 your life. I'd rather buy you a ticket than give you money.”
So she came in,10 behind me because she said people 11 the theater didn't like her. She sat next to me in the cinema. Then I noticed some women were looking at me, with expressions of 12.
I encouraged the women to come the following night to an event. I 13 her to an agency that helped women in her 14. Then, a woman came towards me and said, “Did you buy a ticket for the woman?” When I said yes, she said, “Please come to the community center to 15 other employees there.”
This was the 16 of a deep friendship and colleague relationship. The woman I took to the cinema that night wasn't 17. Actually, she was a secretary and spoke English.
For me, though, she was18 my angel. I made a great friend 19 reaching out to her, also got a great job, and 20 myself of many previous negative judgments about the French.
，氟原子在化学反应中易