Here Is a Statement from the Text

Here is a statement from the text:
"The ability to live in terrestrial environments evolved independently in arthropods (at least twice) ,mollusks,roundworms,and annelids." What logical conclusion would you make from this statement?

A) All these groups have a coelom.
B) The common ancestor of all these groups was probably aquatic.
C) All these groups have the same type of body plan.
D) All these groups lost their coelom after moving to land.