I certainly consider important that everything in the petition should be fair and open.
A. what
B. this
C. it
D. that
网友回答
A. what
B. this
(答案→)C. it
D. that
解析：考查形式宾语it。consider的内容是that引导的宾语从句，important作宾语补足语。句子太长，所以用it作形式宾语代替宾语从句。句意：我当然认为比赛中一切都公平公开很重要。所以答案选C。