Which of the following is observed in the adult stage of $Cnidaria$ and $Echinodermata$?

Column $-I$ represents the phylum and Column $-II$ represents the larval stage. Select the correct option:

Column $-I$	Column $-II$
$(A)$ Porifera	$(i)$ Tornaria larva
$(B)$ Hemichordata	$(ii)$ Free-swimming larva
$(C)$ Cnidaria	$(iii)$ Parenchymula larva
$(D)$ Echinodermata	$(iv)$ Planula larva

Match the animals listed in Column-$I$ with their respective zoological names given in Column-$II$; choose the answer which gives the correct combination of the alphabets of the two columns.

Column-$I$	Column-$II$
$(A)$ Starfish	$(p)$ Sepia
$(B)$ Jellyfish	$(q)$ Asterias
$(C)$ Devilfish	$(r)$ Aurelia
$(D)$ Cuttlefish	$(s)$ Octopus

Which of the following is an incorrect pair?

Choose the correct statement.

Which of the following organisms does not show any body segmentation?