Which of the following combinations are correct?

	Organism	Features
(a)	Loligo	Unsegmented body; radula.
(b)	Wuchereria	Sexual dimorphism; pseudocoelom
(c)	Asterias	Spiny body; metanephridia
(d)	Pleurobrachia	Bioluminescence; metagenesis

• A

  a and b are correct; c and d are incorrect.

• B

  a, b and c are correct; d is incorrect.

• C

  a is correct; b, c and d are incorrect.

• D

  b and d are correct; a and c are incorrect.