–How are you? –Fine, thank you.______?

A. Too            B. How do you do   C. And you   D. How old are you

-- How are you?

-- ______

[    ]

　　A. How are you?   B. How do you do?

　　C. Yes. I am.　　 D. Fine, thank you. And you?

A: How are you?

B: Fine, thank you. ______?　　　　　　　　

A: ______.　　　　　　　　

[    ]

　　A. Are you, I'm Liu Lu   B. And you, I'm OK   C. Hello, OK

---                           ?

--- They’re fine, thank you.