請教xiaobaitu, radiology, pjiang等專家看看我的REF

我的140EB1b最近收到REF,
看了以後不明白他們是不是隻是需要我補個job letter啊, 還是需要交別的. 其他的東西我都已經交過了

"This office is unable to complete the processing of your application without further information. Please read and comply with the request below, then submit the evidence to the above address.
To establish that the alien is an outstanding research you must submit evidence that he/she is recognized internationally as outstand in the specific academic area. Such evidence must consist of at leas two of the following:
(A) -Documentation of the alien's receipt of major prizes or awards for outstanding achievement in the academic field;
(B) -Documentation of the alien's membership in associations in the academic field which require outstanding achievements of their members;
(C) -Published material in professional publications written by others about the alien's work in the academic field. Such material shall include the title, date, and author of the material, and any necessary translation;
(D) -Evidence of the alien's participation, either individually or on a panel, as the judge of the work of others in the same or an allied academic field;
(E) -Evidence of the alien's original scientific or scholarly research contributions to the academic field; or
(F) -Evidence of the alien's authorship of scholarly books or articles (in scholarly journals with international circulation) in the academic field.
The mere submission of two or more of the above items may not establish eligibility for this classification. The evidence must clearly demonstrate that the alien is recognized internationally as outstanding.

Please submit a job offer. This letter must be dated prior to the filing of the I-140 Petition for Alien worker."