选择题
2016 AMC 8 Problem 16: Annie Passes Bonnie
Annie and Bonnie are running laps around a 400-meter oval track. They started together, but Annie has pulled ahead, because she runs 25% faster than Bonnie. How many laps will Annie have run when she first passes Bonnie?
2016 AMC 8 第 16 题：安妮超越邦妮
安妮和邦妮正在 400 米长的椭圆形跑道上跑几圈。他们一起出发，但安妮领先了，因为她跑得比邦妮快 25%。当安妮第一次超越邦妮时，她会跑多少圈
A.
1 1/4
B.
3 1/3
C.
4
D.
5
E.
25