根据句意及首字母提示填写单词。

1. The children are wearing all kinds of animal m________ at the make-up party.

2. She is p______ playing the piano in the music room.

3. There are s________ books about biology on the bookshelf.

4. Our principal p________ the school team for their good performance (表演).

5. Tom gets up e______. He is often the first one to get to school.

某单位现有职工120人，其中8人具有正高职称，20人具有副高职称，想通过引进副高以上职称人员的办法在短期内把正高职称的人员比例上升到30%，副高职称人员比例上升到30%，问需引进正高、副高职称人员各多少人？（）

A．61、49

B．268、542

C．258、532

D．71、59