Answer : c. Missy Elliott and the Black Eyed Peas
A plural subject refers to two or more subjects in the sentence. In the choices above, "Missy Elliott and the Black Eyed Peas" is the only plural subject. "The cast" is a singular subject while "Miss Prissy or Missy Elliott" is also a singular subject. "The founder" refers to one person thus, a singular subject still which leaves "Missy and Elliott and the Black Eyed Peas" the plura subject because it is made up of two subjects, Missy Elliott and the Black Eyed Peas.
