非谓语题目,求讲解.（ ）in the fog,we were forced to spend tw

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因为这是一个固定的词组： be lost 迷路了.如：
I was lost. 我迷路了.
I was 省略掉,就剩下了lost.
======以下答案可供参考======
供参考答案1:
C过去分词作状语，表示状态
供参考答案2:
（ ）in the fog，we were forced to spend two hours in the woods.
在雾中迷路了，我们不得已在丛林里呆了2个小时。
B.Losing
C.Lost
D.Having lost
首先是我们迷路了，这里是过去时，所以正常是：we were lost。只能是lost作状语。
如果你还不理解的话，可以把句子看成：
we ，(who were) lost in the fog，were forced to spend two hours in the woods.
只不过把who were省略了。