某Python程序如下：

item={"竞技类":["铁人三项","电子竞技","霹雳舞"],"球类":["足球","篮球","乒乓球"],

"对抗性":["拳击","跆拳道","卡巴迪","击剑"],"水上":["跳水","龙舟","帆船"]}

print(item["对抗性"][2][::-1])

执行该程序段后，输出的结果是（     ）

A、跆拳道

B、道拳跆           

C、卡巴迪

D、迪巴卡