从所给出的句子中选出合适的完成对话。

A. What does she do?         B. You are right.       C. I have an aunt, too.

D. Is she your aunt?          E. Do you have any aunts?

Joe: Hi, Pat.____

Pat: Yes, she is my aunt.

Joe:____

Pat: She is a nurse.

Joe: Is she your mother's sister?

Pat: No, She is my father's sister.____

Joe: Yes.____She is a doctor.

Pat: It is a good job. It can help people.

Joe:____

小明在外地从一个景点回宾馆，在一个岔路口迷了路，问了4个人得到下面四种回答，其中能确定宾馆位置的是 (    )

已知函数f（x）=$\left\{\begin{array}{c}-x^2,x\ge 0\\ x^2+2x,x<0\end{array}\right.$，则f（f（﹣2））=____ 不等式f（f（x））≤3的解集为____