问题
选择题
—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．had explored
答案
答案：C
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—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．had explored
答案：C