Aged just four, Josephine Hawkins is already at ease with her computer and the internet, ______ clicking her mouse on Disney sites to download images of her favorite characters.
 
【正确答案】 B
【答案解析】confidently信心十足地，有把握地。confidentially私下地，作为心腹话地。appreciatively感激地，赏识地。conscientiously良心上地。