在和老师进行长时间的谈话后，我们终于找到了解决那个问题的办法。A.After we had a long conve

在和老师进行长时间的谈话后，我们终于找到了解决那个问题的办法。

A.After we had a long conversation with our teacher, we find a method to solve the hard questonat last.

B.After we had a long conversation with our teacher, we finally worked out a solution to theproblem.

C.After a long talk with our teacher, we find a way