单选题
______ the housework, Mary began to write her report.
A、
Being finished
B、
Finished
C、
Having been finished
D、
Having finished
【正确答案】
D
【答案解析】
Having finished the housework，是一个独立分词结构，其动作在主句谓语之前发生，其逻辑主语为Mary。
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