B.
考点：语法过去完成时.动作live发生在open之前.
而工厂开业动作发生在过去.故B.
they .here since the factory opened.A:have lived B:had lived
they .here since the factory opened.A:have lived B:had lived
英语人气：129 ℃时间：2019-08-20 03:07:15
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