A. I'm  
B. I am  
C. I'm not  
D. I isn't

Li Min: Hello! How are you?
Lucy: 1______, thank you.
Li Min: Are you Lily?
Lucy: No, 2______ Lucy.
Li Min: Sorry. You 3______ Lily look 4______ 5______. Is Lily here, too?
Lucy: No, she is not 6______ school today.
Li Min: 7______ is she?
Lucy: She's not well today.
Li Min: Where is she? 8______ she at home now?
Lucy: I 9______ she is.
Li Min: Look! 10______ that girl over there? That's Lily! Hi, Lily, how 11______ you?
Lucy: I'm 12______ now. Thank you.