Which of the following animals are triploblastic?

$Taenia$ (tapeworm) and $Fasciola$ (liver fluke) are:

$Taenia$ $solium$ derives its energy from the breakdown of

"Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually, with some parasitic forms". The above description is the characteristic of phylum:

The intermediate host of the Liver Fluke $(Fasciola hepatica)$ is:

Cysticercus of $Taenia$ develops in