从方框中选出能填入空白处的最佳选项，使句意完整.其中有一项是多余的选项

A: Hello,Tom !

B: It is photo of my family.

A:

B: He is my brother.  And the girl is my sister.

A:

B: No.They are not my parents.They are my uncle and my aunt.

A: I see.

B: Yes. She is my cousin,Susan.

A:

B: She is 5.

A.How old is she? B.What's this? C.Is that girl your cousin? D.Are these your parents? E.What color is it? F.Who is that boy?