Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent respectively?

Options

A. `{:(A,B,C,D),("Insects","Crustaceans","Other animal group","Molluscs"):}`
B. `{:(A,B,C,D),("Crustaceans","Insects","Molluscs","Other animal groups"):}`
C. `{:(A,B,C,D),("Molluscs","Other animal groups","Crustaceans","Insects"):}`
D. `{:(A,B,C,D),("Insects","Molluscs","Grustaceans","Other animal groups"):}`