_____ in the mountains for a week, the two students were finally saved by the local police.
A Having lost BLostC Losing
这里答案是B, 其他两个怎么排除呢,特别是选项A
人气：441 ℃ 时间：2020-03-27 11:30:02
解答
A.应该用having been lost,因为lost是形容词,sb is lost.或者sb is missing.
C.Losing 没有丢失的意思.不能用主动式.
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