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    With that information ____, I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.
    A．in handB．in the handC．in handsD．in the hands
    A

    试题分析：考查介词短语的区别。A inhand adv.在手头, 在进行中, 掌握住而；B inthehand是adj表示在手中；有in one's hands表示“受某人的管理，保存或控制的”；没有C、D结构，排除；句意：由于有信息在手头，我找到了在宾夕法尼亚大学的脑损伤与修复中心的主任---道格拉斯史密斯。故A正确。
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