Got rfe on initial opt ead

[Vkkh]

Hi , any help would be appreciated.

iI received an RFE on my initial OPT application. USCIS has asked for evidence such as a copy of transcript, establishing one full academic year of lawful enrollment as anonimmigrant in an Immigration & Customs Enforcement, Student and Exchange Visitors Program, approved school.

i completed three semester on l1b visa and converted to f1 in last semester. 
 

first semester- 9 credits (l1b visa)

second sem - 6 credits (l1b visa)

third sem - 6 credits (l1b visa)

fourth sem - 9 credits (f1visa)

i was enrolled in all semester and my academic standing was good. What documents shall i submit?

will this come in full academic year of study . Need help urgently