A: Look, what's this?
B: It's a cup. Is it yours, Jane?
A: No, it isn't. Oh, it's Sue's.
B: Are these her dictionaries, too?
A: No, they're a boy's. His name “Jack” is on them.
B：And what about this white telephone?
A: It's Bill's. It is new.
B: Well, whose(谁的) is that picture over there?
A: Let's see. It's Alan's. He is Bill's brother.
B: Is the yellow ball his?
A: No, it's Sam's.
B: Here you are.
A: Thanks.
A. 
B. 
C. 
D. 
E. 
Bill
Jack
Sue
Alan
Sam
