第26题: [单项选择]______such work before, she asked advice,from many experienced workers and planned everything carefully. A. Having never done B. Having been done C. Having done D. Never having done 参考答案:D 答案解析:[考查点] 现在分词用法
[句意] 由于此前从未做过这种工作,她请教了很多有经验的工人,并做了缜密的计划。
[解析] 现在分词作状语表示原因。因为现在分词表示的动作发生在谓语动词所表示的动作之前,