i found only a bike like yours selling.really?i must go to buy it/one翻译,说明选择原因

问题描述:

i found only a bike like yours selling.really?i must go to buy it/one翻译,说明选择原因

选it
前句已经说了,only one,所以后面要对应,只能选it
如果选one ,说明不指一个