At the United Nations Climate Change Conference, the UN Secretary General points out that， ， the climate situation will get worse and worse.
A. if not dealing with properly
B. unless dealing with properly
C. if properly dealt with
D. unless properly dealt with
网友回答
A. if not dealing with properly
B. unless dealing with properly
C. if properly dealt with
(答案→)D. unless properly dealt with
解析：句意：在联合国气候变化大会上，联合国秘书长指出如果不适当的处理气候的问题，气候会变得越来越糟糕。这里unless后是省略句，从句的主语与主句的主语一致，并且从句的谓语动词有be，这时从句的主语和be都可省去。climate与deal with 之间是被动关系，故选D。