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 queston at last. B: After we had a long conversation with our teacher, we finally worked out a solution to the problem. C: After a long talk with our teacher, we find a way to control the problem at last. D: After we talked a long time with our teacher, we finally slove the hard problem.