In the popular conception, (i)____________ is inextricably tied up with (ii)____________: doing something truly creative, we are inclined to think, requires the freshness and energy of youth. Orson Welles made his masterpiece, Citizen Kane, at twenty-five, and Mozart wrote his breakthrough Piano Concerto No. 9 at twenty-one. A. progress B. serendipity C. genius D. precocity E. destiny F. dedication