i have a car.do you have (one/it)

问题描述:

i have a car.do you have (one/it)

i have a car.do you have (one)
我有一辆车,你又一辆吗?

这里应该选one,是一个泛指代词,如果选it,就应该指代前面的 a car,可是这个car却是我的,与do you have a car 相矛盾.