.will bridge be completed?In two months.A How long ,B How soom C How often D How much

问题描述:

.will bridge be completed?In two months.A How long ,B How soom C How often D How much
那一个正确,具体为什么?

应该是B How soon 多久以后
How soon回答就是 in+时间段 ,
桥多久以后会完成?两个月后.