I learned______the city for a long timeAshe had been in Bshe has gone to Cshe has been to Dshe had gone to
问题描述：
I learned______the city for a long time
Ashe had been in Bshe has gone to Cshe has been to Dshe had gone to
答
a 我得知之前她已经在了,所以是过去的过去,用过去完成.,后面有一段时间,不能用瞬间动词go
用been