What is the name for the empty beat within a cycle?

For which artwork did the artist photograph the process of creation?

Henri Matisse's Large Reclining Nude Donald Judd's Untitled Edgar Degas's Jockeys Before the Race Jacob Lawrence's Going Home

Which artist reworks historically important portraits by setting an African American individual in a reproduced pose but against a wallpaper-like background?

A. Jean-Michel Basquiat B. Kerri James Marshall C. Kehinde Wiley D. Chris Ofili