问题
选择题
Many people are taking part in various outdoor activities ______themselves.
A．refreshed
B．to refresh
C．being refreshed
D．having been refreshed
答案
答案：B
题目分析：考查不定式做目的状语：句意：很多人在参加各种各样的户外活动，来给自己提神。根据句意这是目的状语，只有不定式可以做目的状语，选B。