问题
选择题
. One of the skaters talented enough to stop her is Asada, who _____ against her since they were junior skaters.
A．would compete
B．is competing
C．has been competing
D．is being competed
答案
答案：C
考查时态。句意“足够有天赋来打败她的人之一是Asada，自从她们是初级滑冰选手的时候，Asada就一直是她的竞争对手。”根据since可知，用现在完成时C项是完成进行时，表示有可能继续持续下去。故选C。