The correct option is C ctenophores, cnidarians
Comb jellies belong to phylum ctenophora. Comb jellies bear eight median comb plates. These comb plates bear cillia which fuses to form ciliated plates, giving them comb like appearance.
Jelly fishes belong to phylum cnidaria which possess cnidoblasts or cnidocytes containing the stinging capsules or nematocytes present on the tentacles and the body.