But for the help of the kind policeman, we our way to the hotel in this foreign city.A．wouldn't find B．wouldn't have foundC．would find D．would have foundB
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(答案→)B
解析：选B 句意：要不是有那位好心警察的帮助，在这座陌生城市我们就找不到通往这家旅馆的路了。此处为but for引导的含蓄条件句，由句意可知是对过去情况的虚拟，主句谓语应用“would/should/could/might＋have done”结构，另外结合语意可知应用否定式，故选B。