GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 34X8DG5A47L19ACJA

Although his original mission was a failure, Russian botanist Michael Friedrich Adams achieved an unexpected ____________ when he found, by chance, the carcass of a woolly mammoth. A. conclusion B. upheaval C. triumph D. bombshell E. success F. venture