—What’s the matter with Tim?—Oh. Tim’s cell-phone was left in a taxi accidentally, never a

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A. to find
(答案→)B. to be found
C. finding
D. being found
解析：考查非谓语动词用法。根据句子结构可知此处never      again为状语，表示意料之外要用to do 结构。Find与逻辑主语cell-phone之间是被动关系，所以选B
句意为Tim的手机偶然丢在了出租车里了，竟然再也找不到了。