选择题
2020 AMC 8 Problem 10: Marble Arrangement
Zara has a collection of 4 marbles: an Aggie, a Bumblebee, a Steelie, and a Tiger. She wants to display them in a row on a shelf, but does not want to put the Steelie and the Tiger next to one another. In how many ways can she do this?
2020 AMC 8 题 10：弹珠排列
Zara 收集了 4 种弹珠：阿吉弹珠、大黄蜂弹珠、斯蒂利弹珠和老虎弹珠。她想将它们在架子上排成一排，但不想将 Steelie 和 Tiger 并排放置。她可以通过多少种方式做到这一点
A.
6
B.
8
C.
12
D.
18
E.
24