新概念2册48课 My dentist had just pulled out one of my teeth and had told me to rest for a while.

前半句的过去完成式我知道，后半句我有点不理解什么用过去完成式.
had told me ，我觉得pulled out看定发生在前，told在后，不能and told me to rest for a while. 这样吗？

had just pulled out one of my teeth 和had told me to rest for a while.是紧接着发生的，这并列句。后面是I tried to say something, but my mouth was full of cotton wool. 这就是说had just pulled out one of my teeth 和had told me to rest for a while.发生在tried to say something之前。我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。我想说点什么，但我嘴里塞满了药棉。

强调动作的先后 说明在过去某一动作之先

My dentist had just pulled out one of my teeth and had told me to rest for a while. I tried to say something, but my mouth was full of cotton wool. 第一句是个并列句，and连接的是相同的时态，表示牙医做完了两件事。相当于后边句子的时间状语，医生做完这两件事后，我想说...