Which one of the following is a matching set of a phylum and its three examples?
A. Porifera- Spongilla, Euplectella, Pennatula
B. Cnidaria-Dentallium, Physalia, Aurelia
C. Plathyhelminthes-Planaria, Schistosoma, Enterobius
D. Mollusca-Loligo,Teredo, Octopus