What is the origin of the lyrics and music in the fourth verse of Prince's song 'Gett Off'?

A. A 1970s funk song by Sly and the Family Stone
B. A 1980s hip-hop track by the Beastie Boys
C. A 1950s rock 'n' roll song by Little Richard
D. A 1969 song by James Brown, with Prince adding his own vocal aside
Answer: 