Echinoderms Are Classified as Bilateria,but Although They Start Out as Bilateral

Echinoderms are classified as Bilateria,but although they start out as bilateral larvae,they change into radially symmetrical adults.You might hypothesize that their genes controlling the development of radial symmetry are

A) different from those controlling development of symmetry in all other radially symmetrical animals.
B) similar to genes controlling body form in Porifera.
C) similar to genes controlling body form in Ctenophora.
D) similar to genes controlling body form in the lophophorates.
E) similar to a common set of genes controlling body form in Ctenohora,and lophophorates.