Two days ago my aunt came from Nanjing to visit us．Though she had been to Shanghai before，it________her a long tim．e to find our new house．A.still takesB.was still takingC.still tookD.has still taken
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C解析分析：根据上下文的意思，此事是发生在过去的事，take在这里是“花……时间”的意思，不是延续性动词，所以要选C项。