They went to the park () Saturday afternoon.A.on B.in C.at D./

问题描述:

They went to the park () Saturday afternoon.A.on B.in C.at D./

A 没必要解释了吧

选 A

具体的天前面用介词on
如果帮到你,请记得采纳,O(∩_∩)O谢谢

A
在具体某一天的上午,下午,晚上用on .