单项选择题
现派出两个工作组对甲、乙、丙、丁和戊五个县的乡村振兴工作成果进行验收，要求每个工作组至少验收2个县，且每个县由1个工作组验收。问如按要求随机分配任务，则甲、乙两个县的乡村振兴工作成果由同一个工作组验收的概率为：
A. [img]https://img.shiyebian.net/gwyshijuan/666/15.png[/img]
B. [img]https://img.shiyebian.net/gwyshijuan/666/16.png[/img]
C. [img]https://img.shiyebian.net/gwyshijuan/666/17.png[/img]
D. [img]https://img.shiyebian.net/gwyshijuan/666/18.png[/img]
B. [img]https://img.shiyebian.net/gwyshijuan/666/16.png[/img]
C. [img]https://img.shiyebian.net/gwyshijuan/666/17.png[/img]
D. [img]https://img.shiyebian.net/gwyshijuan/666/18.png[/img]
