there are some American ones ( ) them.A.in B.among

there are some American ones ( ) them.A.in B.among
there are some American ones ( ) them.A.in B.among

there are some American ones ( ) them.A.in B.among
B among 在...之间

祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!

B.among

B