CS PhD F1 武汉续签 Check

本人CS PhD最后一年，回家探亲，约了武汉10月28（周一）面签
准备的材料有I-20，学校 Offer，本人CV，导师CV，Study Plan，博士期间成绩单

Timeline
10.28（周一） Refused
11.29（周五）Approved
12.2 （周一） Issued

上去我直接给了i-20 and passport
vo：去哪？
我：Finish my PhD at the University of xxx, this is my final year.
vo： Oh, congratulations. What major?
我：xxx
vo： Tell me a little bit about the research you are doing.
我：xxx
vo： who funds you？
我：The graduate school of xxx
vo： What are you planning to do after you graduate
我：Find a job and come back to China
vo 给了黄条子，上面勾了几个她要的文件
vo： I need you to send me these documents by email.
我： I have them right now, can I just give them to you?
vo： No, I need to keep an electrical copy of these.
我：OK, thanks

所以我面签的时候面试官只要了护照和I-20