I was supposed to be packing today , but Eileen came in and messed all my things up . Honestly . She ought to know better . She 's nine , after all .
According to the above context, choose the best option to answer the following question.
Question: What age group does Eileen belong to ?
Options:
A. She is a teenager .
B. She is a child .
C. She is a toddler .
D. None of the above choices .


B