单选题 ______ all my letters, I had a drink and went to bed.
A. Being finished B. Finishing C. Finished D. Having finished

【正确答案】 D
【答案解析】[考点] 分词辨异。据题，分词短语的逻辑主语与主句主语一致，且分词与逻辑主语之间是主动关系，动作又发生在主句动作之前，故选D。