从方框中选择适当的句子补全对话，有两项多余。
A: Excuse me, are you Sam?
B: Yes, I am.   
A: My name is Bob.
B:   
A: Nice to meet you, too.   
B: No, I’m not.     Where are you from?
A: I’m from Beijing.   
B: Thank you.

A. How do you do? B. Welcome to Beijing. C. Goodbye. D. Are you from England? E. What’s your name? F. I’m from America. G. Nice to meet you.