The view many scientists hold is too much emission of carbon dioxide is destructive.
A. what; that
B. that; which
C. that; that
D. which; which
网友回答
A. what; that
B. that; which
(答案→)C. that; that
D. which; which
解析：这题考查从句：第一空填that引导定语从句，定语从句中缺少宾语，修饰the view，第二空填that，引导表语从句，表语从句中不缺成分，句意是：很多科学家持有的观点是太多的二氧化碳的排放是灾害性的。选C。