阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳答案填入文中空白处。
I used to live selfishly, I should admit. But one moment changed me.
I was on my lunch break and had       the office to get something to eat. On the way, I       a busker(街头艺人), with a hat in front of him. I had some      in my pocket, but I would not give them to him, thinking to myself he would      use the money to feed his addiction(嗜好) to drugs or alcohol. He       like that type-young and ragged.       what was I going to spend the money on? Only to feed my addiction to Coca-Cola or chocolate! I then       I had no right to place myself above      just because he was busking.
I          and dropped all the coins into his      , and he smiled at me. I watched for a while. As       as it sounds, I expected something more to come from that moment—a feeling of       or satisfaction, for example. But nothing happened.
      , I walked off. “It proved to be a waste of      ,” I thought.
On my way home at the end of the      , I saw the busker again and he was     . I watched him pick up the hat and walk      a cafe counter. There he poured the       contents(内容) into a tin collecting       an earthquake fund-raising(募捐) event. He was busking for charity(慈善)！
Now I donate(捐献) any       I have to charity tins and enjoy the feeling of giving.

A．left B．Cleaned C．prepared D．searched

A．led B．chose C．Saw D．fooled

A．chocolates B．Coins C．tins D．drugs

A．almost B．only C．Rather D．still

A．acted B．looked C．sounded D．smelt

A．Though B．For C．Therefore D．But

A．declared B．realized C．Expected D．guessed

A．it B．all C．him D．them

A．waited B．Followed C．Stopped D．arrived

A．rag B．hat C．Pocket D．counter

A．selfish B．awkward C．innocent D．special

A．happiness B．Sadness C．love D．hate

A．Disappointedly B．Unfortunately C．Coincidentally D．Comfortably

A．words B．effort C．space D．money

A．moment B．Day C．break D．event

A．walking around B．passing by C．packing up D．running off

A．around B．In C．behind D．to

A．chief B．Basic C．actual D．total

A．by B．for C．on D．with

A．work B．time C．energy D．change