The train tickets to Shanghai were snapped up in ten minutes.根据本次见面课的知识点，本句短语snap up指的是（）

The train tickets to Shanghai were snapped up in ten minutes.根据本次见面课的知识点，本句短语snap up指的是（）
A.上架
B.抢购
C.下架
D.退票
正确答案：抢购