Which sentence has an error in parallel structure? a) sherri didn't want the party to be too fancy so she just cooked up hot dogs, chips, and cokes. b) all of the camp counselors are trained to be buddies, disciplinarians, life-savers, and spiritual leaders. c) you are not allowed on the dance floor unless you are a dancer, the choreographer, or you take photographs. d) the reasons for why i need a new pair of shoes are manifold: they leak, they have stains, and they are too small.