閱讀下面短文，掌握其大意，然后從1至20各題所給的A、B、C、D四個(gè)選項(xiàng)中選出最佳選項(xiàng)，并將答案寫在答題卡上。

　　Learning experiences happen to us throughout our lives. Not long ago, I had one that I would like to 　(1)　.

　　I was going to Marblehead with my sailboat team. The team was racing down the highway at 85 mph 　(2)　 we realized we were 　(3)　. Luckily, we saw a rest area ahead. I had a brand-new $ 20 bill. I was so 　(4)　 because I had never had that kind of cash before. But spending it on 　(5)　 seemed like throwing it away. We all rushed into the pizza line. 　(6)　 I got a pizza and a drink, and walked to my table. About half way through the meal, I 　(7)　 I had not actually handed my money to the cashier. I had just 　(8)　 out, and nobody had noticed. I felt terrible.

　　My conscience(良心) opened its mouth and swallowed me in one big bite. I couldn't 　(9)　 over it. I just couldn't go back to the cashier and 　(10)　 for my stolen pizza.－I was so upset that I 　(11)　 to give myself the pleasure of an ice cream in 　(12)　 that someone would say, “Hey, Jeff, why don't you use the change 　(13)　 the pizza instead of that nice, new $ 20 bill?” I was not so 　(14)　 of my cash now.

　　For the next two years, whenever I was 　(15)　 of the “pizza incident”, I would say to myself, “Don't think about it.” I have learned two things from this 　(16)　. Maybe I was a fool for 　(17)　 in to my conscience, and being too stupid to appreciate a 　(18)　 pizza. But the real lesson is that even if you get away from what you have done, your conscience will 　(19)　 up with you.

　　This reflects the saying, “A coward(懦夫) dies a thousand deaths, a hero dies one.” I was a coward and have felt terrible about that incident at least a thousand times. If I had been a “　(20)　” and gone back to pay for the pizza, I would have felt a little uncomfortable about it only once, or maybe twice.

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