参考答案：D

解析：短语辨析。in abeyance：处于暂时终止(或搁置)状态：The question is in abeyance．这个问题暂时搁议。in doubt不肯定的，怀疑的：He was in doubt as to whether he should accept the post．他对是否应接受这一职务拿不定主意。disuse不用，废止：rusty from disuse因弃置不用而生锈。