They also agree that it is the burning of more and more fossil fuels that has resulted th

问题补充：

They also agree that it is the burning of more and more fossil fuels that has resulted this increase in carbon dioxide.

A. from

B. of

C. in

D. to

答案：

A. from

B. of

(答案→)C. in

D. to

解析：句意：他们也同意越来越多的化石燃料的燃烧导致了二氧化碳的增加。这里result in导致，后接结果；result from起因于，后接原因。根据句意故选C。