Nice to see you. I（）you for a long time.

A.I miss you.
B.Fine. Thank you. And you? 
C.Are you OK? 
D.This way, please.

A.Fine, thank you. 
B.How are you? 
C.Nice to meet you, too. 
D.Thank you

A.is it 
B.isn't it
C.what's it 
D.isn't that