---guess how much is it ----i think it is ___15and 20 dollars A between B among

题目

---guess how much is it ----i think it is ___15and 20 dollars A between B among
答案是第二个,我也感觉是错的

答案

选A
between和among都有“在……之间”的意思
among 指三者或三者以上的同类事物之间. between 多指两者之间
15 and 20 dollars是两个事物,所以选between