After thirty years of separation, I _____ with my sister. How happy we were!A.kept in touchB.caught upC.kept upD.got in touch
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D解析短语辨析。Keep in touch with与……保持联系；catch up with赶上，逮捕；keep up with和……保持联系，赶得上；get in touch with与……取得联系，和……接触。句意：在分别三十年之后，我和我的妹妹取得了联系。我们是多么高兴啊！故选D。