Karry spotted her weird action, flashing back to his own rudeness, who became guilty.
凯瑞注意到了她的奇怪行为，回想起他粗鲁的行为，变得后悔。
主要问题是，非限定从和先行词中间能不能用分词隔开，我好像有看到过类似写法，但英语老师说不行。