A: Hello, Sally! Congratulations to you for winning the first prize in the speech contest!

A: Hello, Sally! Congratulations to you for winning the first prize in the speech contest!
B: 【小题1】
A: You used to be shy when you talked to others. Why did you take part in the speech contest?
B: Yeah, I used to be shy. And my mother was really worried about it. She told me I must have confidence in everything. She encouraged me to do that.
A: 【小题2】
B: I practiced the speech every day. In order to make it good, I had practiced it hundreds of times.
A: 【小题3】
B: I got excited and couldn’t help crying when I won the prize,but at first I could hardly believe I was the winner.
A: 【小题4】
B: Yes, it changed me a lot. And it made me feel confident. I’m very thankful to all the people who helped me.
A: Thanks for answering my questions.
B: 【小题5】
A.How could you do such a good job?
B.How did you feel when you won the prize?
C.Thank you.
D.You’re welcome.
E.Did it change you?

解析：本题考查交际用语【小题1】前面人家向你道贺，自然要表示感谢，选C。【小题2】根据下文我每天练习演讲，可知是回答前面问题，故选A，你怎么做的这么好？【小题3】同样是根据答语我很兴奋……，可知选项中B最合题意，你得奖后感觉怎么样？【小题4】根据下文答语是的，他改变了我很多。可知上文是个一般疑问句，故选D。【小题5】英文中对于别人的感谢一般回应是You’re welcome.不客气。

这个答案应该是对的