According to Hazrat Abdullah bin Abbas the last Wahi was decended on Hazrat Muhammad (P.B.U.H), how many days before death?

According to Hazrat Abdullah bin Abbas the last Wahi was decended on Hazrat Muhammad (P.B.U.H), how many days before death?

A. 2 days
B. 3 days
C. 7 or 9 days
D. 10 days