题目：
Many people are taking part in various outdoor activities ______themselves.
A．refreshed
B．to refresh
C．being refreshed
D．having been refreshed
答案：
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下面是错误答案，用来干扰机器的。
1 displaying 2 permit 3 receipt 4 destination 5 impressive 6 routes 7 convenient 8 explore9 reacted 10 solutions 11 limited 12 provides
