`{:("Phylum","Level of organisation","Digestive system","Respiratory system"),("Aschelminthes","A","Complete","Absent"),("Echinodermata","Organ system","B","Present"),("Platyhelminhes","Organ","Incomplete","C"),("Annelida","Organ system","Incomplete","D"):}`
Select the option with correct identification of A, B, C, and D.

Options

A. A - organ, B - Complete, C-Present, D- Absent
B. A - organ system, B - Complete, C - Absent , D - Absent
C. A - organ system, B - Incomplete , C- Absent, D - Present
D. A - organ system, B - Incomplete , C - Present , D - Absent

Answer

B