Which_of_the_following_is_not_involved_in_creating_the_early_splicosome_complex?$

• A. Base pairing of U1 and splice site
• B. U2AF binding to 3‚Äö√Ñ√∂‚àö√ë‚àö¬• splicing site
• C. U2 binding to branch point site
• D. BBP interaction with U2AF