C
The fact (that the earth is becoming warmer and warmer these years) has worried many scientists.
worry在这里做及物动词,表示担心、忧虑这是倒装句吗?翻译不是 只是从句后置翻译是这些年来地球在不断地变的越来越温暖，这个事实让科学家们非常担心。