问题补充：
It is reported that some wild animals were found in a big cave in the mountain.A. to hide deadB. hidden deadC. hiding deadD. hidden death
答案：
考查分词作补语和形容词作状语的用法。find+宾语+doing/done,其被动形式为be found +doing/done。现在分词表“主动，动作正在进行”，过去分词表“被动，动作已完成”。dead adj.作状语通常表示“主语所处的一种状态”。
