阅读下列短文，然后从各题所给的四个选项中选出一个最佳答案。
An 8-year-old boy becomes the first to receive new hands
Zion Harvey is an eight-year-old boy from Baltimore, USA. Recently he became the 1st child to 1 a double hand transplant(移植) in the world. His smile is beautiful and calm. It 2us his special thinking: Never give up your 3. It will come true one day.
It 4 many doctors and nurses over 10 hours to finish the operation successfully. Though the doctors were very tired, they were very 5 .
When Zion Harvey was very young, he had the 6 dreams as his friends did. However, when he was two, he 7 his hands and feet because of a life-threatening illness.
At first, his parents were very sad. But they didn't 8 . And then they began to help their poor son. At the age of four, Zion received a kidney(肾) transplant 9 his mother.
Although little Zion had an early 10 of hardship, he was still very outgoing and happy. You will always see a sweet 11 on his lovely face.
In the past four years, he learned to strum the guitar and 12 games on iPad. He could even play football with his good friends.
Harvey doesn't 13 what his classmates say to him. "I don't care 14 they say, because I have my family." he said. "Everybody has their own 15 of thinking."
After months, we are sure that he can use his new hands to do everything.
V mol溶液稀释到4V mL，