问题描述：
分析一下语句结构
We are aware that____the situation will get worse.
A.if not dealing with carefully B if dealt not carefully with
C.if not carefully dealt with D.if not carefully dealing with
为什么?
C中省略的主语是什么?为什用被动形式?
We are aware that____the situation will get worse.
A.if not dealing with carefully B if dealt not carefully with
C.if not carefully dealt with D.if not carefully dealing with
为什么?
C中省略的主语是什么?为什用被动形式?
问题解答：
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