南加大USC phd的审核流程

想问一下是否有人了解南加大phd的审核流程，我上周五跟POI面试过，第二天收到Office of Graduate Admission提醒我交中文成绩单。今天收到系里的小秘的邮件问我有没有把成绩单邮寄过去。想问一下是否表示POI那边已经通过了，递交到系里去审核了？求了解USC审核流程的大佬指点一下。等结果等得心态有点崩。
原文如下：“Our faculty admissions committee has begun evaluating PhD applications for Fall 2018. However, it appears that your copy of your passport and official, original language transcripts from XX University are not yet available. When did you send them?”