LDA与topicmodels，我如何能看到哪些主题不同的文档属于哪一个?

I am using LDA from the topicmodels package, and I have run it on about 30.000 documents, acquired 30 topics, and got the top 10 words for the topics, they look very good. But I would like to see which documents belong to which topic with the highest probability, how can I do that?I am using LDA from the topicmodels package, an