“It’s too early to conclude that the problem but I think we have been mo

题干

“It’s too early to conclude that the problem but I think we have been moving in the right direction,” the manager said

A．had been solved	B．had solved
C．has been solved	D．has solved

上一题下一题 0.64难度单项选择更新时间:2014-11-22 03:07:01

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