◎ 题干
— That's the third time he's won the award in this field.   
— Yes. He ________ his maximum potential in the past decade.
[     ]
A. explored          
B. is exploring  
C. has been exploring  
D. has explored
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—That's the third time he's won the award in this field.— Yes. He ________ his maximum potential in the past decade. [ ]A. exploredB. is exploring C. has…”主要考查了你对  【现在完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。