I'll give you a question, please answer with step-by-step reasoning process.
Adults of what kind of animal have radial symmetry?\nOptions:\n- (A) graptolites\n- (B) starfish\n- (C) a fish\n- (D) fur seals\n- (E) alpacas\n- (F) insects\n- (G) fertile\n- (H) barnacles

(B)
Adult echinoderms have radial symmetry.

Echinoderms are represented by the starfish.

Adult starfish have radial symmetry.

.

Final answer: (B)