Which Statement Concerning the Evolution of Attending and Feeding Behaviors

Which statement concerning the evolution of attending and feeding behaviors in poison dart frogs is supported by the phylogeny?

A) Dendrobates leucomelas is the species where these behaviors first arose.
B) The common ancestor of Ameerega trivittata,and all other species,provides the first example of male transportation and attendance.
C) Oophaga speciosa are the only species to demonstrate female transportation and attendance.
D) Male transportation and attendance evolved very recently and there has not been time for female transportation and or attendance to evolve from this norm.