The requirements of polyadenylation site does not include _________?

• A. 5‚Äö√Ñ√∂‚àö√ë‚àö¬•‚Äö√Ñ√∂‚àö√묨‚àÇ.AATAAA‚Äö√Ñ√∂‚àö√묨‚àÇ.3‚Äö√Ñ√∂‚àö√ë‚àö¬• sequence
• B. GU rich region downstream
• C. Cleavage site of ‚Äö√Ñ√∂‚àö√ë‚àö‚à´C/TA‚Äö√Ñ√∂‚àö√ë‚àöœÄ
• D. Polyadenylation after GU rich region at cleavage site