the difficult maths problem, she felt relieved.A. Worked out B. To work out C. Having worked out D.

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编辑：chaxungu时间：2026-04-27 03:11:05分类：高中英语题库

【题目】_______ the difficult maths problem, she felt relieved.

A. Worked out B. To work out C. Having worked out D. Work out

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【答案】C

【解析】

考查分词做状语。句意：算出这道很难的数学题以后，她感觉很放松。动词短语work out与主语she构成主动关系，而且该动作在她感觉放松正确，所以用现在分词的完成式having done。故C项正确。