根据对话内容，从所给选项中选出能填入空白处的最佳选项。有多余选项。

A. How do you spell your family name?

B. Is this a box?

C. What's it?

D. What's your phone number?

E. Hello, my name is Steve.

F. Hello, Steve.

G. Spell it.

A:

B: Hello, Steve.

A: What's your name?

B: Jim Harold.

A:

B:H-A-R-O-L-D.

A:

B: It's 629-463.

A:

B: No, it isn't.

A:  

B: It's a computer.

A: Thank you.