Which of the following includes an error in subject-verb agreement?

A.Carrie and Lucille work in the cafeteria.

B. Either June or his children are going to the movie tonight.

C.Neither Hannibal nor her pups is in the kitchen.

D.Laverne,who's married,and Shirley, who's single,both walk their dogs.

I think it's "C" is that right?