He made a mistake, but finally he solved the problem __________ it got worse.A．u_刷题宝

题干

He made a mistake, but finally he solved the problem __________ it got worse.

A．until

B．before

C．when

D．as

上一题下一题 0.64难度单项选择更新时间:2013-11-04 03:43:17

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