【题目】________ in the grade basketball contest for three times recently, Steve looked exhausted.
A. To play B. Played
C. To be playing D. Having played
在线课程【答案】D
【解析】
考查现在分词完成式作原因状语。句意：史蒂夫最近参加了三次年级篮球比赛，看上去很疲惫。此处句子主语Steve和play之间是主动关系，且play的动作发生在谓语动词动作look之前，所以这里要用现在分词的完成式做原因状语，故选D。