从下列方框中选择恰当的句子完成下列对话。

A.And yours?
B.What's your name?
C.What's this?
D.Hello!
E.Nice to meet you, Tom
A: Hello!
B:__1__
A: __2__
B: My name is Mary. __3__
A: My name is Tom.
B: __4__
A: Nice to meet you, too.
B: Excuse me. __5__
A: It's a clock.
B: Thank you. Goodbye!
A: Goodbye!