问题描述：
一道英语非谓语题
—— themselves,the employees in this company usually have a coffee or tea during their break time.A.Refreshing B.to refresh C.Refresh D.Having refreshed横线处为何不可以选择A?
—— themselves,the employees in this company usually have a coffee or tea during their break time.A.Refreshing B.to refresh C.Refresh D.Having refreshed横线处为何不可以选择A?
问题解答：
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