阅读下面短文,掌握其大意,然后从A、B、C、D四个选项中选出可以填入空白处的最佳选项。
Twenty years ago, I drove a taxi for a living. One early morning, I 1 a call for a taxi. When I arrived at the building, it was 2:30 a.m. and I found the building was dark except for the only light in a first floor window.
Many drivers would just shout once or twice and then drove away, but I thought this 2 might need my help. So I walked to the door and knocked, “Just a minute,” answered a 3, elderly voice. After a long time, the door opened. A small old man showed up before me, 4a small bag. He kept thanking me for my 5. “It's nothing,” I told him.
“Oh, you're such a good man.” He said. When we got into the taxi, he gave me a (an) 6, and then asked, “Could you drive through the city center?”
“But it wasn't the 7way.” I answered quickly. “Oh, I'm in no hurry.” He said. “I'm on my way to a hospital. I don't have any family left. The 8 says I don't have much time left.
I 9 started the taxi and shut off the meter(计程器). For the next two hours, we drove through the city center. He showed me the building where he once worked. We drove 10 the church where he got married. He would never forget that happy moment. Sometimes he'd ask me to slow down in front of a building and would sit 11the darkness for a long time, saying nothing. When the sun began to rise, we drove in silence to the address he had given me. When we arrived,12 without thinking, I gave him a big hug. “You gave an old man a little moment of 13. Thank you!” He said with tears in his eyes.
I was completely lost in thought for the rest of the day. What would happen if I had refused to do14 I did? We always think that there are no 15 moments in our lives, but great moments are just in what others may think small and unimportant ones!