They had been for many years.A.lost touch withB.out of touchC.lost touchD.out of touch with
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B解析keep in touch with...意为“与……保持联系”；get in touch with...“和……取得联系”；lose touch with...“与……失去联系”；out of touch“失去联系，对……生疏”。keep in touch with与out of touch with为延续性动词短语，可与一段时间状语连用；而lose touch with与get in touch with为非延续性动词词组，不与一段时间状语连用。D项中无宾语，故不需用介词with。