阅读短文，从每题 A、B、C、D 四个选项中，选出一个能填入文章中相应空白处的最佳答案。
When I was 19 years old, I worked in a doctor's office as a medical assistant. I was shy and didn't 1myself, so I 2talked with others. I was uncertain about my future.
I met a doctor there and became good friends with him. He 3 me to believe in myself and asked me to learn to communicate with others. He helped me accept 4, and then he encouraged me to 5one or two college classes. I did as what he told me and did very well.
One day, he asked me where I wanted to go ten years later and 6I wanted my life to be like. I hadn't thought about this before that day. That night, I 7thought about the two questions. It was he that made me 8a different world.
Later, I went to college and realized my 9was to be accepted into a physician assistant training program. Unluckily, it was very 10and I couldn't afford it. I wanted to 11. When my dream was about to slip away, this wonderful man took me out one evening into a bar, bought me a bottle of beer, and offered to help me pay for my college education. He did it 12asking for anything in return.
A few years later, I asked him why he helped me.
He said, "13I knew you could be more than what you were, and because once, when I wasn't sure whether I could succeed and didn't have the money for school,14helped me."
After15his words, I was shocked. I said, "Thank you, Joe! I will spread the love to others."