第二部分 阅读理解(共两节，满分40分)
第一节(共15小题；每小题2分，满分30分)
阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
A
(2013·重庆市九校联考)I was doing some Christmas shopping in a toy store and decided to look at Barbie dolls for my nieces. A nicely dressed little girl was excitedly looking through the Barbie dolls as well. As she was looking，a little boy came to the Pokemon toys. He was dressed neatly，but his clothes were obviously old. He was with his father as well，and kept picking up the Pokemon video toys. Each time he picked one up and looked at his father，his father shook his head and said，“No.”
The little girl had chosen her Barbie. However，she stopped and was watching them. Rather dejectedly，the boy had to give up the Pokemon toys and choose something else. The little girl put her Barbie back on the shelf，and ran over to the Pokemon toys. She excitedly picked up one and raced towards the checkout. I picked up my purchases and got in line behind them. Then，much to the little girl's delight，the little boy and his father got in line behind me. After the toy was paid for and bagged，the little girl handed it back to the cashier (收银员) and whispered something in her ear. The cashier smiled and put the package under the counter.
I paid for my purchases and was rearranging things when the little boy came up to the cashier. The cashier checked his purchases and said，“Congratulations，you are my hundredth customer today，and you win a prize！” With that，she handed the little boy the Pokemon toys，and he could only stare in surprise. It was exactly what he had wanted!
The little girl and her father had been standing at the doorway during all of this. Then they walked out. As I walked back to my car，I heard the father ask his daughter why she had done that. I'll never forget what she said to him. “Daddy，didn't Grandparents want me to buy something that would make me happy？” He said，“Of
