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。
Many years ago, when we first went to Canada, we were driving through Montana to Colorado with our two children, then aged 8 and 11. As it was getting1we started looking for a hotel, only to find out that it was
2time in that part of the country, and all the hotels were3.
Finally, around 9 o'clock in the evening, we 4 at a gas station to fill up on gas. My husband asked for a
5 book and told the woman at the counter that we were trying to find a hotel. She told us it would be 6. He tried for 15 more minutes. When he was 7, the woman, Linda, said she and her family
8 nearby and would be happy if we spent the night at her home.
My husband was 9 at her offer of generosity (慷慨). She called her son to10us, since she had to
11 at the gas station till midnight.
When we reached their home, her husband12 us. He invited us to have coffee and chat while we 13 his wife. She came past 12 am. We asked if we could slip away in the morning so as not to14 them. They said we were now 15 and we would have to have breakfast with them.
Next morning, we ate breakfast, and when we were 16, my husband asked if he could offer some17. They would not hear of it and18we were their guests. We kept in touch for many years, and invited them to our19, too. Over the years, we lost touch, but have 20 forgotten their kindness.
