选择题
2025 AMC 8 Problem 20: Cheese Sharing
Sarika, Dev, and Rajiv are sharing a large block of cheese. They take turns cutting off half of what remains and eating it: first Sarika eats half of the cheese, then Dev eats half of the remaining half, then Rajiv eats half of what remains, then back to Sarika, and so on. They stop when the cheese is too small to see. About what fraction of the original block of cheese does Sarika eat in total?
2025 AMC 8 第 20 题：奶酪分享
萨里卡、戴夫和拉吉夫正在分享一大块奶酪。他们轮流切掉剩下的一半并吃掉它：首先萨里卡吃掉一半的奶酪，然后德夫吃掉剩下的一半，然后拉吉夫吃掉剩下的一半，然后回到萨里卡，依此类推。当奶酪太小而看不见时，他们就会停下来。萨里卡总共吃掉了原奶酪块的百分之几
A.
4/7
B.
3/5
C.
2/3
D.
3/4
E.
7/8