Which of the Following Statements Accurately Describe Characteristics of Placozoans

Which of the following statements accurately describe characteristics of placozoans?

A) Placozoans are tiny animals containing only a few thousand cells.
B) Placozoans are simple animals, consisting of only two tissue layers that sandwich an interior fluid layer.
C) Placozoans are, in spite of their morphological simplicity, genetically complex, sharing many genes for transcription factors, signaling molecules, and structural proteins with both cnidarians and bilaterian animals.
D) Placozoans are a highly diverse group, consisting of many species occupying a wide range of habitats.
E) Placozoans are large radially symmetrical animals superficially similar to cnidarians and ctenophores.