Read the following statements regarding the class-Crinoidea of phylum-Echinodermata. I. Ciliated...

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Read the following statements regarding the class-Crinoidea of phylum-Echinodermata.
I. Ciliated ambulacral grooves are present on the aboral surface.
II. Antedon belonging to this class has a good power of regeneration.
III. The oral surface bears mouth and cloaca.
IV. The tubefeet lack suckers.
Choose the correct ones.
(A) I and II
(B) III and IV
(C) I, II and IV
(D) II and III
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