单选题 History was being catalogued here, the missed opportunities, blunders, and outright mistakes.
A. attempts B. insults C. mistakes D. arguments

【正确答案】 C

【答案解析】[解析] 根据与blunder并列的the missed opportunities和outright mistakes可知，画线词语意思为“错误，失误”。在选项中，attempt意为“尝试，企图”；insult意为“侮辱，凌辱”； argument意为“争论，论据”；mistake意为“错误”。因此正确答案为C。